115336138 has 4 divisors (see below), whose sum is σ = 173004210. Its totient is φ = 57668068.

The previous prime is 115336127. The next prime is 115336147. The reversal of 115336138 is 831633511.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 76685049 + 38651089 = 8757^2 + 6217^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28834033 + ... + 28834036.

Almost surely, 2^115336138 is an apocalyptic number.

115336138 is a deficient number, since it is larger than the sum of its proper divisors (57668072).

115336138 is an equidigital number, since it uses as much as digits as its factorization.

115336138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57668071.

The product of its digits is 6480, while the sum is 31.

The square root of 115336138 is about 10739.4663740802. The cubic root of 115336138 is about 486.7677552148.

Adding to 115336138 its reverse (831633511), we get a palindrome (946969649).

It can be divided in two parts, 11533 and 6138, that added together give a palindrome (17671).

The spelling of 115336138 in words is "one hundred fifteen million, three hundred thirty-six thousand, one hundred thirty-eight".