117117140 has 48 divisors (see below), whose sum is σ = 295881600. Its totient is φ = 38040192.

The previous prime is 117117137. The next prime is 117117149. The reversal of 117117140 is 41711711.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117117149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19355 + ... + 24674.

It is an arithmetic number, because the mean of its divisors is an integer number (6164200).

Almost surely, 2^117117140 is an apocalyptic number.

117117140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

117117140 is an abundant number, since it is smaller than the sum of its proper divisors (178764460).

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

117117140 is a wasteful number, since it uses less digits than its factorization.

117117140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44064 (or 44062 counting only the distinct ones).

The product of its (nonzero) digits is 196, while the sum is 23.

The square root of 117117140 is about 10822.0672701661. The cubic root of 117117140 is about 489.2604977300.

Adding to 117117140 its reverse (41711711), we get a palindrome (158828851).

The spelling of 117117140 in words is "one hundred seventeen million, one hundred seventeen thousand, one hundred forty".