115681238 has 8 divisors (see below), whose sum is σ = 174267288. Its totient is φ = 57592144.

The previous prime is 115681229. The next prime is 115681273. The reversal of 115681238 is 832186511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 115681198 and 115681207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123656 + ... + 124587.

It is an arithmetic number, because the mean of its divisors is an integer number (21783411).

Almost surely, 2^115681238 is an apocalyptic number.

115681238 is a deficient number, since it is larger than the sum of its proper divisors (58586050).

115681238 is a wasteful number, since it uses less digits than its factorization.

115681238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248478.

The product of its digits is 11520, while the sum is 35.

The square root of 115681238 is about 10755.5212797893. The cubic root of 115681238 is about 487.2527615932.

The spelling of 115681238 in words is "one hundred fifteen million, six hundred eighty-one thousand, two hundred thirty-eight".