5'2, 140 pounds, what should my calorie intake be?

Im 5'2 and 135-140 pounds. I strength train 5-6 times a week. Im not so much looking to see a certain number on the scale, I just want to be lean and gain strength. I've been struggling with counting my calories because I was having 1200-1450 while having workouts that burned 500+. Does anyone have any idea how many calories I should aim to eat?