113438775 has 12 divisors (see below), whose sum is σ = 187552232. Its totient is φ = 60500640.

The previous prime is 113438771. The next prime is 113438821. The reversal of 113438775 is 577834311.

It is not a de Polignac number, because 113438775 - 2² = 113438771 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113438771) 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, 756184 + ... + 756333.

Almost surely, 2^113438775 is an apocalyptic number.

113438775 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

113438775 is a deficient number, since it is larger than the sum of its proper divisors (74113457).

113438775 is a wasteful number, since it uses less digits than its factorization.

113438775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1512530 (or 1512525 counting only the distinct ones).

The product of its digits is 70560, while the sum is 39.

The square root of 113438775 is about 10650.7640570994. The cubic root of 113438775 is about 484.0837556827.

The spelling of 113438775 in words is "one hundred thirteen million, four hundred thirty-eight thousand, seven hundred seventy-five".