115140320 has 48 divisors (see below), whose sum is σ = 288026928. Its totient is φ = 43345920.

The previous prime is 115140317. The next prime is 115140343. The reversal of 115140320 is 23041511.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18446 + ... + 23885.

It is an arithmetic number, because the mean of its divisors is an integer number (6000561).

Almost surely, 2^115140320 is an apocalyptic number.

115140320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115140320 is an abundant number, since it is smaller than the sum of its proper divisors (172886608).

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

115140320 is a wasteful number, since it uses less digits than its factorization.

115140320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42363 (or 42355 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 115140320 is about 10730.3457539820. The cubic root of 115140320 is about 486.4921206377.

Adding to 115140320 its reverse (23041511), we get a palindrome (138181831).

The spelling of 115140320 in words is "one hundred fifteen million, one hundred forty thousand, three hundred twenty".