117516413 has 4 divisors (see below), whose sum is σ = 134304480. Its totient is φ = 100728348.

The previous prime is 117516409. The next prime is 117516433. The reversal of 117516413 is 314615711.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 117516413 - 2² = 117516409 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117516433) 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, 8394023 + ... + 8394036.

It is an arithmetic number, because the mean of its divisors is an integer number (33576120).

Almost surely, 2^117516413 is an apocalyptic number.

It is an amenable number.

117516413 is a deficient number, since it is larger than the sum of its proper divisors (16788067).

117516413 is an equidigital number, since it uses as much as digits as its factorization.

117516413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16788066.

The product of its digits is 2520, while the sum is 29.

The square root of 117516413 is about 10840.4987431391. The cubic root of 117516413 is about 489.8158588943.

The spelling of 117516413 in words is "one hundred seventeen million, five hundred sixteen thousand, four hundred thirteen".