136908508 has 24 divisors (see below), whose sum is σ = 262846080. Its totient is φ = 61879920.

The previous prime is 136908491. The next prime is 136908511. The reversal of 136908508 is 805809631.

It is a happy number.

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, 816 + ... + 16567.

It is an arithmetic number, because the mean of its divisors is an integer number (10951920).

Almost surely, 2^136908508 is an apocalyptic number.

It is an amenable number.

136908508 is a deficient number, since it is larger than the sum of its proper divisors (125937572).

136908508 is a wasteful number, since it uses less digits than its factorization.

136908508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17577 (or 17575 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 40.

The square root of 136908508 is about 11700.7909134383. The cubic root of 136908508 is about 515.3988903838.

The spelling of 136908508 in words is "one hundred thirty-six million, nine hundred eight thousand, five hundred eight".