116512140 has 72 divisors (see below), whose sum is σ = 338017680. Its totient is φ = 29985536.

The previous prime is 116512139. The next prime is 116512157. The reversal of 116512140 is 41215611.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 49306 + ... + 51614.

It is an arithmetic number, because the mean of its divisors is an integer number (4694690).

Almost surely, 2^116512140 is an apocalyptic number.

116512140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 116512140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169008840).

116512140 is an abundant number, since it is smaller than the sum of its proper divisors (221505540).

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

116512140 is a wasteful number, since it uses less digits than its factorization.

116512140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2379 (or 2348 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 21.

The square root of 116512140 is about 10794.0789324518. The cubic root of 116512140 is about 488.4165741092.

Adding to 116512140 its reverse (41215611), we get a palindrome (157727751).

The spelling of 116512140 in words is "one hundred sixteen million, five hundred twelve thousand, one hundred forty".