115976138 has 8 divisors (see below), whose sum is σ = 174208320. Its totient is φ = 57906700.

The previous prime is 115976101. The next prime is 115976141. The reversal of 115976138 is 831679511.

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 = 115976095 and 115976104.

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, 38888 + ... + 41763.

It is an arithmetic number, because the mean of its divisors is an integer number (21776040).

Almost surely, 2^115976138 is an apocalyptic number.

115976138 is a deficient number, since it is larger than the sum of its proper divisors (58232182).

115976138 is an equidigital number, since it uses as much as digits as its factorization.

115976138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81372.

The product of its digits is 45360, while the sum is 41.

The square root of 115976138 is about 10769.2217917545. The cubic root of 115976138 is about 487.6664527367. Note that the first 3 decimals are identical.

The spelling of 115976138 in words is "one hundred fifteen million, nine hundred seventy-six thousand, one hundred thirty-eight".