113605438 has 4 divisors (see below), whose sum is σ = 170408160. Its totient is φ = 56802718.

The previous prime is 113605423. The next prime is 113605477. The reversal of 113605438 is 834506311.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28401358 + ... + 28401361.

It is an arithmetic number, because the mean of its divisors is an integer number (42602040).

Almost surely, 2^113605438 is an apocalyptic number.

113605438 is a deficient number, since it is larger than the sum of its proper divisors (56802722).

113605438 is an equidigital number, since it uses as much as digits as its factorization.

113605438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56802721.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 113605438 is about 10658.5851781557. The cubic root of 113605438 is about 484.3207098528.

The spelling of 113605438 in words is "one hundred thirteen million, six hundred five thousand, four hundred thirty-eight".