117839613 has 8 divisors (see below), whose sum is σ = 158250400. Its totient is φ = 77994288.

The previous prime is 117839599. The next prime is 117839633. The reversal of 117839613 is 316938711.

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

It is not a de Polignac number, because 117839613 - 2⁵ = 117839581 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117839633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140878 + ... + 141711.

It is an arithmetic number, because the mean of its divisors is an integer number (19781300).

Almost surely, 2^117839613 is an apocalyptic number.

It is an amenable number.

117839613 is a deficient number, since it is larger than the sum of its proper divisors (40410787).

117839613 is a wasteful number, since it uses less digits than its factorization.

117839613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282731.

The product of its digits is 27216, while the sum is 39.

The square root of 117839613 is about 10855.3955708671. The cubic root of 117839613 is about 490.2644872274.

The spelling of 117839613 in words is "one hundred seventeen million, eight hundred thirty-nine thousand, six hundred thirteen".