113604138 has 24 divisors (see below), whose sum is σ = 246338976. Its totient is φ = 37837800.

The previous prime is 113604137. The next prime is 113604203. The reversal of 113604138 is 831406311.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (113604137) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40233 + ... + 42963.

It is an arithmetic number, because the mean of its divisors is an integer number (10264124).

Almost surely, 2^113604138 is an apocalyptic number.

113604138 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

113604138 is an abundant number, since it is smaller than the sum of its proper divisors (132734838).

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

113604138 is a wasteful number, since it uses less digits than its factorization.

113604138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5050 (or 5047 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 113604138 is about 10658.5241942776. The cubic root of 113604138 is about 484.3188624667.

The spelling of 113604138 in words is "one hundred thirteen million, six hundred four thousand, one hundred thirty-eight".