117713538 has 24 divisors (see below), whose sum is σ = 255264048. Its totient is φ = 39204312.

The previous prime is 117713537. The next prime is 117713543. The reversal of 117713538 is 835317711.

It is a happy number.

117713538 is a `hidden beast` number, since 117 + 7 + 1 + 3 + 538 = 666.

It is not an unprimeable number, because it can be changed into a prime (117713537) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28045 + ... + 31967.

It is an arithmetic number, because the mean of its divisors is an integer number (10636002).

Almost surely, 2^117713538 is an apocalyptic number.

117713538 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

117713538 is an abundant number, since it is smaller than the sum of its proper divisors (137550510).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

117713538 is a wasteful number, since it uses less digits than its factorization.

117713538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5598 (or 5595 counting only the distinct ones).

The product of its digits is 17640, while the sum is 36.

The square root of 117713538 is about 10849.5869967478. The cubic root of 117713538 is about 490.0895823997.

The spelling of 117713538 in words is "one hundred seventeen million, seven hundred thirteen thousand, five hundred thirty-eight".