136269656 has 16 divisors (see below), whose sum is σ = 256624800. Its totient is φ = 67836384.

The previous prime is 136269643. The next prime is 136269659. The reversal of 136269656 is 656962631.

136269656 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136269659) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35360 + ... + 39023.

It is an arithmetic number, because the mean of its divisors is an integer number (16039050).

Almost surely, 2^136269656 is an apocalyptic number.

It is an amenable number.

136269656 is a deficient number, since it is larger than the sum of its proper divisors (120355144).

136269656 is a wasteful number, since it uses less digits than its factorization.

136269656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74618 (or 74614 counting only the distinct ones).

The product of its digits is 349920, while the sum is 44.

The square root of 136269656 is about 11673.4594700971. The cubic root of 136269656 is about 514.5959768352.

The spelling of 136269656 in words is "one hundred thirty-six million, two hundred sixty-nine thousand, six hundred fifty-six".