113993138 has 16 divisors (see below), whose sum is σ = 201721344. Its totient is φ = 47278080.

The previous prime is 113993123. The next prime is 113993149. The reversal of 113993138 is 831399311.

It is a super-2 number, since 2×113993138² = 25988871022174088, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130895 + ... + 131762.

It is an arithmetic number, because the mean of its divisors is an integer number (12607584).

Almost surely, 2^113993138 is an apocalyptic number.

113993138 is a deficient number, since it is larger than the sum of its proper divisors (87728206).

113993138 is a wasteful number, since it uses less digits than its factorization.

113993138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262697.

The product of its digits is 17496, while the sum is 38.

The square root of 113993138 is about 10676.7569046036. The cubic root of 113993138 is about 484.8710295824.

The spelling of 113993138 in words is "one hundred thirteen million, nine hundred ninety-three thousand, one hundred thirty-eight".