113286839 has 4 divisors (see below), whose sum is σ = 113374824. Its totient is φ = 113198856.

The previous prime is 113286809. The next prime is 113286851. The reversal of 113286839 is 938682311.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113286839 is a prime.

It is a super-2 number, since 2×113286839² = 25667815781223842, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 113286796 and 113286805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113286809) 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, 42032 + ... + 44645.

It is an arithmetic number, because the mean of its divisors is an integer number (28343706).

Almost surely, 2^113286839 is an apocalyptic number.

113286839 is a deficient number, since it is larger than the sum of its proper divisors (87985).

113286839 is an equidigital number, since it uses as much as digits as its factorization.

113286839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87984.

The product of its digits is 62208, while the sum is 41.

The square root of 113286839 is about 10643.6290333702. The cubic root of 113286839 is about 483.8675374022.

The spelling of 113286839 in words is "one hundred thirteen million, two hundred eighty-six thousand, eight hundred thirty-nine".