117365640 has 64 divisors (see below), whose sum is σ = 402399360. Its totient is φ = 26826240.

The previous prime is 117365621. The next prime is 117365663. The reversal of 117365640 is 46563711.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69021 + ... + 70700.

It is an arithmetic number, because the mean of its divisors is an integer number (6287490).

Almost surely, 2^117365640 is an apocalyptic number.

117365640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

117365640 is an abundant number, since it is smaller than the sum of its proper divisors (285033720).

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

117365640 is a wasteful number, since it uses less digits than its factorization.

117365640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139742 (or 139738 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 117365640 is about 10833.5423569579. The cubic root of 117365640 is about 489.6062921038.

The spelling of 117365640 in words is "one hundred seventeen million, three hundred sixty-five thousand, six hundred forty".