115358538 has 16 divisors (see below), whose sum is σ = 242860320. Its totient is φ = 36428976.

The previous prime is 115358527. The next prime is 115358587. The reversal of 115358538 is 835853511.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 115358496 and 115358505.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 505845 + ... + 506072.

It is an arithmetic number, because the mean of its divisors is an integer number (15178770).

Almost surely, 2^115358538 is an apocalyptic number.

115358538 is an abundant number, since it is smaller than the sum of its proper divisors (127501782).

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

115358538 is a wasteful number, since it uses less digits than its factorization.

115358538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1011941.

The product of its digits is 72000, while the sum is 39.

The square root of 115358538 is about 10740.5092058058. The cubic root of 115358538 is about 486.7992656969.

The spelling of 115358538 in words is "one hundred fifteen million, three hundred fifty-eight thousand, five hundred thirty-eight".