113379839 has 4 divisors (see below), whose sum is σ = 115792224. Its totient is φ = 110967456.

The previous prime is 113379809. The next prime is 113379899. The reversal of 113379839 is 938973311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 938973311 = 12689 ⋅73999.

It is a cyclic number.

It is not a de Polignac number, because 113379839 - 2¹⁶ = 113314303 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 113379839.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113379809) 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, 1206122 + ... + 1206215.

It is an arithmetic number, because the mean of its divisors is an integer number (28948056).

Almost surely, 2^113379839 is an apocalyptic number.

113379839 is a deficient number, since it is larger than the sum of its proper divisors (2412385).

113379839 is an equidigital number, since it uses as much as digits as its factorization.

113379839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2412384.

The product of its digits is 122472, while the sum is 44.

The square root of 113379839 is about 10647.9969477832. The cubic root of 113379839 is about 483.9999075086. Note that the first 4 decimals are identical.

The spelling of 113379839 in words is "one hundred thirteen million, three hundred seventy-nine thousand, eight hundred thirty-nine".