115192140 has 72 divisors (see below), whose sum is σ = 375206832. Its totient is φ = 26328960.

The previous prime is 115192111. The next prime is 115192151. The reversal of 115192140 is 41291511.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 115192140.

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, 16651 + ... + 22530.

It is an arithmetic number, because the mean of its divisors is an integer number (5211206).

Almost surely, 2^115192140 is an apocalyptic number.

115192140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115192140 is an abundant number, since it is smaller than the sum of its proper divisors (260014692).

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

115192140 is a wasteful number, since it uses less digits than its factorization.

115192140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39207 (or 39198 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 24.

The square root of 115192140 is about 10732.7601296218. The cubic root of 115192140 is about 486.5650931656.

The spelling of 115192140 in words is "one hundred fifteen million, one hundred ninety-two thousand, one hundred forty".