115977136 has 20 divisors (see below), whose sum is σ = 245133864. Its totient is φ = 52716800.

The previous prime is 115977101. The next prime is 115977157. The reversal of 115977136 is 631779511.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 329305 + ... + 329656.

Almost surely, 2^115977136 is an apocalyptic number.

115977136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

115977136 is an abundant number, since it is smaller than the sum of its proper divisors (129156728).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

115977136 is a wasteful number, since it uses less digits than its factorization.

115977136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 658980 (or 658974 counting only the distinct ones).

The product of its digits is 39690, while the sum is 40.

The square root of 115977136 is about 10769.2681274077. The cubic root of 115977136 is about 487.6678515581.

The spelling of 115977136 in words is "one hundred fifteen million, nine hundred seventy-seven thousand, one hundred thirty-six".