113686938 has 12 divisors (see below), whose sum is σ = 246321738. Its totient is φ = 37895640.

The previous prime is 113686919. The next prime is 113686949. The reversal of 113686938 is 839686311.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 113358609 + 328329 = 10647^2 + 573^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 113686893 and 113686902.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3157953 + ... + 3157988.

Almost surely, 2^113686938 is an apocalyptic number.

113686938 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

113686938 is an abundant number, since it is smaller than the sum of its proper divisors (132634800).

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

113686938 is a wasteful number, since it uses less digits than its factorization.

113686938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6315949 (or 6315946 counting only the distinct ones).

The product of its digits is 186624, while the sum is 45.

The square root of 113686938 is about 10662.4077018280. The cubic root of 113686938 is about 484.4364986251.

The spelling of 113686938 in words is "one hundred thirteen million, six hundred eighty-six thousand, nine hundred thirty-eight".