113139839 has 8 divisors (see below), whose sum is σ = 113850288. Its totient is φ = 112432320.

The previous prime is 113139833. The next prime is 113139877. The reversal of 113139839 is 938931311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 113139839 - 2⁸ = 113139583 is a prime.

It is a super-3 number, since 3×113139839³ (a number of 25 digits) contains 333 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 (113139833) 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 7 ways as a sum of consecutive naturals, for example, 206564 + ... + 207110.

It is an arithmetic number, because the mean of its divisors is an integer number (14231286).

Almost surely, 2^113139839 is an apocalyptic number.

113139839 is a deficient number, since it is larger than the sum of its proper divisors (710449).

113139839 is an equidigital number, since it uses as much as digits as its factorization.

113139839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1465.

The product of its digits is 17496, while the sum is 38.

The square root of 113139839 is about 10636.7212523409. The cubic root of 113139839 is about 483.6581594018.

The spelling of 113139839 in words is "one hundred thirteen million, one hundred thirty-nine thousand, eight hundred thirty-nine".