117914639 has 8 divisors (see below), whose sum is σ = 118920960. Its totient is φ = 116912536.

The previous prime is 117914633. The next prime is 117914651. The reversal of 117914639 is 936419711.

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 117914639 - 2⁸ = 117914383 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 117914596 and 117914605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117914633) 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, 78554 + ... + 80040.

It is an arithmetic number, because the mean of its divisors is an integer number (14865120).

Almost surely, 2^117914639 is an apocalyptic number.

117914639 is a deficient number, since it is larger than the sum of its proper divisors (1006321).

117914639 is a wasteful number, since it uses less digits than its factorization.

117914639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2109.

The product of its digits is 40824, while the sum is 41.

The square root of 117914639 is about 10858.8507218766. The cubic root of 117914639 is about 490.3685121785.

The spelling of 117914639 in words is "one hundred seventeen million, nine hundred fourteen thousand, six hundred thirty-nine".