118457913 has 64 divisors (see below), whose sum is σ = 200622080. Its totient is φ = 60652800.

The previous prime is 118457909. The next prime is 118457917. The reversal of 118457913 is 319754811.

It is an interprime number because it is at equal distance from previous prime (118457909) and next prime (118457917).

It is not a de Polignac number, because 118457913 - 2² = 118457909 is a prime.

It is not an unprimeable number, because it can be changed into a prime (118457917) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 754431 + ... + 754587.

It is an arithmetic number, because the mean of its divisors is an integer number (3134720).

Almost surely, 2^118457913 is an apocalyptic number.

It is an amenable number.

118457913 is a deficient number, since it is larger than the sum of its proper divisors (82164167).

118457913 is a wasteful number, since it uses less digits than its factorization.

118457913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278.

The product of its digits is 30240, while the sum is 39.

The square root of 118457913 is about 10883.8372369307. The cubic root of 118457913 is about 491.1204583034.

The spelling of 118457913 in words is "one hundred eighteen million, four hundred fifty-seven thousand, nine hundred thirteen".