Looking for expert advice on TV/RV size and weight

I really appreciate everybody's advice!
APT, Yes, the 1135 lbs is from my yellow sticker. I do have the luxury package. But I also wonder how can it really be that low for a F150. I do need to weight it empty. I know that numbers don't lie, but I'm having a hard time wrapping my head around the idea that an F 150 like mine can only haul a 5-600 lb tongue weight. I'm one of those people that want everything to be at or under specified tow rates. Once again thank you all for your input!