113839438 has 16 divisors (see below), whose sum is σ = 174597120. Its totient is φ = 55651000.

The previous prime is 113839433. The next prime is 113839441. The reversal of 113839438 is 834938311.

It is a self number, because there is not a number n which added to its sum of digits gives 113839438.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113839433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20013 + ... + 25063.

It is an arithmetic number, because the mean of its divisors is an integer number (10912320).

Almost surely, 2^113839438 is an apocalyptic number.

113839438 is a deficient number, since it is larger than the sum of its proper divisors (60757682).

113839438 is a wasteful number, since it uses less digits than its factorization.

113839438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5303.

The product of its digits is 62208, while the sum is 40.

The square root of 113839438 is about 10669.5565980972. The cubic root of 113839438 is about 484.6530100355.

The spelling of 113839438 in words is "one hundred thirteen million, eight hundred thirty-nine thousand, four hundred thirty-eight".