It's obvious he is very intelligent. He may not be wise in your opinion but he is definitely very intelligent.
I think most people are intelligent. It's the defining characteristic of our species.
But obviously, when evaluating a presidential candidate we want them to have specific intellectual abilities that make them capable of that job. I think Donald Trump is severely lacking in those aspects of intelligence. I also think too many people mistake bravado for intelligence and leadership skills. Trump ranks high on the bravado meter.