136907793 has 16 divisors (see below), whose sum is σ = 221265600. Its totient is φ = 82974240.

The previous prime is 136907791. The next prime is 136907801. The reversal of 136907793 is 397709631.

It is not a de Polignac number, because 136907793 - 2¹ = 136907791 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (136907791) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 230188 + ... + 230781.

It is an arithmetic number, because the mean of its divisors is an integer number (13829100).

Almost surely, 2^136907793 is an apocalyptic number.

It is an amenable number.

136907793 is a deficient number, since it is larger than the sum of its proper divisors (84357807).

136907793 is a wasteful number, since it uses less digits than its factorization.

136907793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460989 (or 460983 counting only the distinct ones).

The product of its (nonzero) digits is 214326, while the sum is 45.

The square root of 136907793 is about 11700.7603599082. The cubic root of 136907793 is about 515.3979931645.

The spelling of 136907793 in words is "one hundred thirty-six million, nine hundred seven thousand, seven hundred ninety-three".