113990439 has 16 divisors (see below), whose sum is σ = 156015072. Its totient is φ = 74001408.

The previous prime is 113990431. The next prime is 113990447. The reversal of 113990439 is 934099311.

It is an interprime number because it is at equal distance from previous prime (113990431) and next prime (113990447).

It is not a de Polignac number, because 113990439 - 2³ = 113990431 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 113990397 and 113990406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113990431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19167 + ... + 24399.

It is an arithmetic number, because the mean of its divisors is an integer number (9750942).

Almost surely, 2^113990439 is an apocalyptic number.

113990439 is a deficient number, since it is larger than the sum of its proper divisors (42024633).

113990439 is a wasteful number, since it uses less digits than its factorization.

113990439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5426.

The product of its (nonzero) digits is 26244, while the sum is 39.

The square root of 113990439 is about 10676.6305077960. The cubic root of 113990439 is about 484.8672028105.

The spelling of 113990439 in words is "one hundred thirteen million, nine hundred ninety thousand, four hundred thirty-nine".