136535636 has 24 divisors (see below), whose sum is σ = 263995200. Its totient is φ = 61457792.

The previous prime is 136535603. The next prime is 136535657. The reversal of 136535636 is 636535631.

It is a self number, because there is not a number n which added to its sum of digits gives 136535636.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42086 + ... + 45213.

It is an arithmetic number, because the mean of its divisors is an integer number (10999800).

Almost surely, 2^136535636 is an apocalyptic number.

It is an amenable number.

136535636 is a deficient number, since it is larger than the sum of its proper divisors (127459564).

136535636 is a wasteful number, since it uses less digits than its factorization.

136535636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87343 (or 87341 counting only the distinct ones).

The product of its digits is 145800, while the sum is 38.

The square root of 136535636 is about 11684.8464260340. The cubic root of 136535636 is about 514.9305665654.

The spelling of 136535636 in words is "one hundred thirty-six million, five hundred thirty-five thousand, six hundred thirty-six".