Am I fat? 5'4, 138 lbs 14 years old?

I'm 14 and I'm 138... But the thing is I have friends who are only like 5 lbs more than I am and everyone says that they look waaay bigger than me... Ppl think I am like 125. I'm not like super muscular or anything iv got some chub but anyways am I okay size wise and everything?