117091340 has 24 divisors (see below), whose sum is σ = 253825152. Its totient is φ = 45325440.

The previous prime is 117091339. The next prime is 117091349. The reversal of 117091340 is 43190711.

It is not an unprimeable number, because it can be changed into a prime (117091349) 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, 93809 + ... + 95048.

It is an arithmetic number, because the mean of its divisors is an integer number (10576048).

Almost surely, 2^117091340 is an apocalyptic number.

117091340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

117091340 is an abundant number, since it is smaller than the sum of its proper divisors (136733812).

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

117091340 is a wasteful number, since it uses less digits than its factorization.

117091340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188897 (or 188895 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 26.

The square root of 117091340 is about 10820.8751956577. The cubic root of 117091340 is about 489.2245683238.

The spelling of 117091340 in words is "one hundred seventeen million, ninety-one thousand, three hundred forty".