115208140 has 24 divisors (see below), whose sum is σ = 242217360. Its totient is φ = 46029888.

The previous prime is 115208117. The next prime is 115208231. The reversal of 115208140 is 41802511.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17554 + ... + 23206.

It is an arithmetic number, because the mean of its divisors is an integer number (10092390).

Almost surely, 2^115208140 is an apocalyptic number.

115208140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115208140 is an abundant number, since it is smaller than the sum of its proper divisors (127009220).

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

115208140 is a wasteful number, since it uses less digits than its factorization.

115208140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6681 (or 6679 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 22.

The square root of 115208140 is about 10733.5054851619. The cubic root of 115208140 is about 486.5876198214.

The spelling of 115208140 in words is "one hundred fifteen million, two hundred eight thousand, one hundred forty".