i am 5'7 139.6lbs at 11-12% bf and i train 4x a week in a upper/lower split.
3500'cals seems like it should be plenty for you but if you are very active or have a fast metabolism it might not be enough. If you're gaining weight then it's plenty. If you're not gaining weight eat more cals.
If I were you I would drop protein slightly maybe 200-225g a day. Fats are fine where they are but you could raise them a bit if you want. And any extra calories you need I would try and get from carbs.
I'm 5'10" @ 205lbs. I'll take in 200-250g of protein usually, about 80 or more grams of fat, and mad out as many carbs as I can get. This way my performance in the gym is maximized
