117144614839 has 4 divisors (see below), whose sum is σ = 133879559824. Its totient is φ = 100409669856.

The previous prime is 117144614789. The next prime is 117144614861. The reversal of 117144614839 is 938416441711.

It is a happy number.

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-117144614839 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 117144614792 and 117144614801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117144614869) 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, 8367472482 + ... + 8367472495.

It is an arithmetic number, because the mean of its divisors is an integer number (33469889956).

Almost surely, 2^117144614839 is an apocalyptic number.

117144614839 is a deficient number, since it is larger than the sum of its proper divisors (16734944985).

117144614839 is an equidigital number, since it uses as much as digits as its factorization.

117144614839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16734944984.

The product of its digits is 580608, while the sum is 49.

The spelling of 117144614839 in words is "one hundred seventeen billion, one hundred forty-four million, six hundred fourteen thousand, eight hundred thirty-nine".