117316290 has 128 divisors (see below), whose sum is σ = 354009600. Its totient is φ = 24724224.

The previous prime is 117316289. The next prime is 117316301. The reversal of 117316290 is 92613711.

It is a super-2 number, since 2×117316290² = 27526223798728200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 133332 + ... + 134208.

It is an arithmetic number, because the mean of its divisors is an integer number (2765700).

Almost surely, 2^117316290 is an apocalyptic number.

117316290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 117316290, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177004800).

117316290 is an abundant number, since it is smaller than the sum of its proper divisors (236693310).

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

117316290 is a wasteful number, since it uses less digits than its factorization.

117316290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 921 (or 907 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 30.

The square root of 117316290 is about 10831.2644691190. The cubic root of 117316290 is about 489.5376591323.

The spelling of 117316290 in words is "one hundred seventeen million, three hundred sixteen thousand, two hundred ninety".