115859136 has 112 divisors (see below), whose sum is σ = 322454016. Its totient is φ = 36670464.

The previous prime is 115859101. The next prime is 115859143. The reversal of 115859136 is 631958511.

It is a junction number, because it is equal to n+sod(n) for n = 115859094 and 115859103.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 333715 + ... + 334061.

Almost surely, 2^115859136 is an apocalyptic number.

115859136 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 115859136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161227008).

115859136 is an abundant number, since it is smaller than the sum of its proper divisors (206594880).

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

115859136 is a wasteful number, since it uses less digits than its factorization.

115859136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 446 (or 436 counting only the distinct ones).

The product of its digits is 32400, while the sum is 39.

The square root of 115859136 is about 10763.7881807475. The cubic root of 115859136 is about 487.5024041959.

The spelling of 115859136 in words is "one hundred fifteen million, eight hundred fifty-nine thousand, one hundred thirty-six".