117990313 has 8 divisors (see below), whose sum is σ = 135195840. Its totient is φ = 100872240.

The previous prime is 117990307. The next prime is 117990329. The reversal of 117990313 is 313099711.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 117990313 - 2⁵ = 117990281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117990413) 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, 18943 + ... + 24388.

It is an arithmetic number, because the mean of its divisors is an integer number (16899480).

Almost surely, 2^117990313 is an apocalyptic number.

It is an amenable number.

117990313 is a deficient number, since it is larger than the sum of its proper divisors (17205527).

117990313 is an equidigital number, since it uses as much as digits as its factorization.

117990313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43727.

The product of its (nonzero) digits is 5103, while the sum is 34.

The square root of 117990313 is about 10862.3346017327. The cubic root of 117990313 is about 490.4733909044.

The spelling of 117990313 in words is "one hundred seventeen million, nine hundred ninety thousand, three hundred thirteen".