117039239 has 4 divisors (see below), whose sum is σ = 117069840. Its totient is φ = 117008640.

The previous prime is 117039227. The next prime is 117039269. The reversal of 117039239 is 932930711.

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-117039239 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 117039199 and 117039208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117039269) 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, 8579 + ... + 17540.

It is an arithmetic number, because the mean of its divisors is an integer number (29267460).

Almost surely, 2^117039239 is an apocalyptic number.

117039239 is a deficient number, since it is larger than the sum of its proper divisors (30601).

117039239 is an equidigital number, since it uses as much as digits as its factorization.

117039239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30600.

The product of its (nonzero) digits is 10206, while the sum is 35.

The square root of 117039239 is about 10818.4674977559. The cubic root of 117039239 is about 489.1519957188.

The spelling of 117039239 in words is "one hundred seventeen million, thirty-nine thousand, two hundred thirty-nine".