113133239 has 4 divisors (see below), whose sum is σ = 119087640. Its totient is φ = 107178840.

The previous prime is 113133203. The next prime is 113133253. The reversal of 113133239 is 932331311.

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

It is a cyclic number.

It is not a de Polignac number, because 113133239 - 2¹² = 113129143 is a prime.

It is a super-2 number, since 2×113133239² = 25598259533262242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113133269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2977172 + ... + 2977209.

It is an arithmetic number, because the mean of its divisors is an integer number (29771910).

Almost surely, 2^113133239 is an apocalyptic number.

113133239 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

113133239 is a deficient number, since it is larger than the sum of its proper divisors (5954401).

113133239 is an equidigital number, since it uses as much as digits as its factorization.

113133239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5954400.

The product of its digits is 1458, while the sum is 26.

The square root of 113133239 is about 10636.4110018370. The cubic root of 113133239 is about 483.6487545038.

The spelling of 113133239 in words is "one hundred thirteen million, one hundred thirty-three thousand, two hundred thirty-nine".