115022138 has 32 divisors (see below), whose sum is σ = 220364928. Its totient is φ = 43718400.

The previous prime is 115022129. The next prime is 115022161. The reversal of 115022138 is 831220511.

It is a happy number.

It is a Curzon 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, 2795 + ... + 15422.

It is an arithmetic number, because the mean of its divisors is an integer number (6886404).

Almost surely, 2^115022138 is an apocalyptic number.

115022138 is a deficient number, since it is larger than the sum of its proper divisors (105342790).

115022138 is a wasteful number, since it uses less digits than its factorization.

115022138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18278.

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 115022138 is about 10724.8374346654. The cubic root of 115022138 is about 486.3256157036.

Adding to 115022138 its reverse (831220511), we get a palindrome (946242649).

The spelling of 115022138 in words is "one hundred fifteen million, twenty-two thousand, one hundred thirty-eight".