136785763 has 2 divisors, whose sum is σ = 136785764. Its totient is φ = 136785762.

The previous prime is 136785749. The next prime is 136785767. The reversal of 136785763 is 367587631.

136785763 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 136785763 - 2⁹ = 136785251 is a prime.

It is not a weakly prime, because it can be changed into another prime (136785767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68392881 + 68392882.

It is an arithmetic number, because the mean of its divisors is an integer number (68392882).

Almost surely, 2^136785763 is an apocalyptic number.

136785763 is a deficient number, since it is larger than the sum of its proper divisors (1).

136785763 is an equidigital number, since it uses as much as digits as its factorization.

136785763 is an evil number, because the sum of its binary digits is even.

The product of its digits is 635040, while the sum is 46.

The square root of 136785763 is about 11695.5445790267. The cubic root of 136785763 is about 515.2448177769.

The spelling of 136785763 in words is "one hundred thirty-six million, seven hundred eighty-five thousand, seven hundred sixty-three".