113788439 has 4 divisors (see below), whose sum is σ = 113986224. Its totient is φ = 113590656.

The previous prime is 113788393. The next prime is 113788447. The reversal of 113788439 is 934887311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 934887311 = 587 ⋅1592653.

It is a cyclic number.

It is not a de Polignac number, because 113788439 - 2⁸ = 113788183 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 113788439.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113788459) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98027 + ... + 99180.

It is an arithmetic number, because the mean of its divisors is an integer number (28496556).

Almost surely, 2^113788439 is an apocalyptic number.

113788439 is a deficient number, since it is larger than the sum of its proper divisors (197785).

113788439 is an equidigital number, since it uses as much as digits as its factorization.

113788439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197784.

The product of its digits is 145152, while the sum is 44.

The square root of 113788439 is about 10667.1663997521. The cubic root of 113788439 is about 484.5806258917.

The spelling of 113788439 in words is "one hundred thirteen million, seven hundred eighty-eight thousand, four hundred thirty-nine".