115163136 has 180 divisors, whose sum is σ = 368038944. Its totient is φ = 34406400.

The previous prime is 115163131. The next prime is 115163173. The reversal of 115163136 is 631361511.

115163136 is a `hidden beast` number, since 11 + 516 + 3 + 136 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115163131) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1621981 + ... + 1622051.

Almost surely, 2^115163136 is an apocalyptic number.

115163136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 115163136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (184019472).

115163136 is an abundant number, since it is smaller than the sum of its proper divisors (252875808).

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

115163136 is an equidigital number, since it uses as much as digits as its factorization.

115163136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116 (or 87 counting only the distinct ones).

The product of its digits is 1620, while the sum is 27.

The square root of 115163136 is about 10731.4088543863. The cubic root of 115163136 is about 486.5242526517.

The spelling of 115163136 in words is "one hundred fifteen million, one hundred sixty-three thousand, one hundred thirty-six".