117139643240 has 48 divisors (see below), whose sum is σ = 264755895300. Its totient is φ = 46644949248.

The previous prime is 117139643237. The next prime is 117139643279. The reversal of 117139643240 is 42346931711.

It can be written as a sum of positive squares in 2 ways, for example, as 111592074916 + 5547568324 = 334054^2 + 74482^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1959716 + ... + 2018604.

Almost surely, 2^117139643240 is an apocalyptic number.

117139643240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

117139643240 is an abundant number, since it is smaller than the sum of its proper divisors (147616252060).

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

117139643240 is an equidigital number, since it uses as much as digits as its factorization.

117139643240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59346 (or 59119 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 41.

The spelling of 117139643240 in words is "one hundred seventeen billion, one hundred thirty-nine million, six hundred forty-three thousand, two hundred forty".