115042136 has 64 divisors (see below), whose sum is σ = 248209920. Its totient is φ = 49477120.

The previous prime is 115042129. The next prime is 115042141. The reversal of 115042136 is 631240511.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

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, 228461 + ... + 228963.

It is an arithmetic number, because the mean of its divisors is an integer number (3878280).

Almost surely, 2^115042136 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 115042136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124104960).

115042136 is an abundant number, since it is smaller than the sum of its proper divisors (133167784).

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

115042136 is a wasteful number, since it uses less digits than its factorization.

115042136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 656 (or 652 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 115042136 is about 10725.7697159691. The cubic root of 115042136 is about 486.3537986147.

Adding to 115042136 its reverse (631240511), we get a palindrome (746282647).

The spelling of 115042136 in words is "one hundred fifteen million, forty-two thousand, one hundred thirty-six".