113655138 has 8 divisors (see below), whose sum is σ = 227310288. Its totient is φ = 37885044.

The previous prime is 113655109. The next prime is 113655163. The reversal of 113655138 is 831556311.

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

113655138 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 113655099 and 113655108.

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, 9471256 + ... + 9471267.

It is an arithmetic number, because the mean of its divisors is an integer number (28413786).

Almost surely, 2^113655138 is an apocalyptic number.

113655138 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

113655138 is a wasteful number, since it uses less digits than its factorization.

113655138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18942528.

The product of its digits is 10800, while the sum is 33.

The square root of 113655138 is about 10660.9163771226. The cubic root of 113655138 is about 484.3913262787.

The spelling of 113655138 in words is "one hundred thirteen million, six hundred fifty-five thousand, one hundred thirty-eight".