115402738 has 16 divisors (see below), whose sum is σ = 189495936. Its totient is φ = 52273840.

The previous prime is 115402733. The next prime is 115402757. The reversal of 115402738 is 837204511.

It is not an unprimeable number, because it can be changed into a prime (115402733) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2506 + ... + 15397.

It is an arithmetic number, because the mean of its divisors is an integer number (11843496).

Almost surely, 2^115402738 is an apocalyptic number.

115402738 is a deficient number, since it is larger than the sum of its proper divisors (74093198).

115402738 is a wasteful number, since it uses less digits than its factorization.

115402738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18209.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 115402738 is about 10742.5666393092. The cubic root of 115402738 is about 486.8614306666.

The spelling of 115402738 in words is "one hundred fifteen million, four hundred two thousand, seven hundred thirty-eight".