115742913 has 24 divisors (see below), whose sum is σ = 182684544. Its totient is φ = 64748640.

The previous prime is 115742909. The next prime is 115742947. The reversal of 115742913 is 319247511.

It is not a de Polignac number, because 115742913 - 2² = 115742909 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (115742903) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7545 + ... + 16982.

It is an arithmetic number, because the mean of its divisors is an integer number (7611856).

Almost surely, 2^115742913 is an apocalyptic number.

115742913 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

115742913 is a deficient number, since it is larger than the sum of its proper divisors (66941631).

115742913 is a wasteful number, since it uses less digits than its factorization.

115742913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24565 (or 24554 counting only the distinct ones).

The product of its digits is 7560, while the sum is 33.

The square root of 115742913 is about 10758.3880298119. The cubic root of 115742913 is about 487.3393385109.

The spelling of 115742913 in words is "one hundred fifteen million, seven hundred forty-two thousand, nine hundred thirteen".