115140400 has 30 divisors (see below), whose sum is σ = 276625772. Its totient is φ = 46056000.

The previous prime is 115140391. The next prime is 115140409. The reversal of 115140400 is 4041511.

It is an interprime number because it is at equal distance from previous prime (115140391) and next prime (115140409).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (115140409) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 143526 + ... + 144325.

Almost surely, 2^115140400 is an apocalyptic number.

115140400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115140400 is an abundant number, since it is smaller than the sum of its proper divisors (161485372).

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

115140400 is a wasteful number, since it uses less digits than its factorization.

115140400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287869 (or 287858 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 115140400 is about 10730.3494817271. The cubic root of 115140400 is about 486.4922333099.

Adding to 115140400 its reverse (4041511), we get a palindrome (119181911).

The spelling of 115140400 in words is "one hundred fifteen million, one hundred forty thousand, four hundred".