115100136 has 64 divisors (see below), whose sum is σ = 321235200. Its totient is φ = 38185344.

The previous prime is 115100087. The next prime is 115100147. The reversal of 115100136 is 631001511.

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 49185 + ... + 51471.

It is an arithmetic number, because the mean of its divisors is an integer number (5019300).

Almost surely, 2^115100136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 115100136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160617600).

115100136 is an abundant number, since it is smaller than the sum of its proper divisors (206135064).

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

115100136 is a wasteful number, since it uses less digits than its factorization.

115100136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2535 (or 2525 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 18.

The square root of 115100136 is about 10728.4731439287. The cubic root of 115100136 is about 486.4355187626.

Adding to 115100136 its reverse (631001511), we get a palindrome (746101647).

The spelling of 115100136 in words is "one hundred fifteen million, one hundred thousand, one hundred thirty-six".