136709697 has 16 divisors (see below), whose sum is σ = 185008320. Its totient is φ = 89786112.

The previous prime is 136709689. The next prime is 136709701. The reversal of 136709697 is 796907631.

136709697 is nontrivially palindromic in base 2.

It is not a de Polignac number, because 136709697 - 2³ = 136709689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (136709687) 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, 55933 + ... + 58325.

It is an arithmetic number, because the mean of its divisors is an integer number (11563020).

Almost surely, 2^136709697 is an apocalyptic number.

It is an amenable number.

136709697 is a deficient number, since it is larger than the sum of its proper divisors (48298623).

136709697 is a wasteful number, since it uses less digits than its factorization.

136709697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2672.

The product of its (nonzero) digits is 428652, while the sum is 48.

The square root of 136709697 is about 11692.2922046962. The cubic root of 136709697 is about 515.1492915597.

The spelling of 136709697 in words is "one hundred thirty-six million, seven hundred nine thousand, six hundred ninety-seven".