118494513 has 24 divisors (see below), whose sum is σ = 175769256. Its totient is φ = 76896000.

The previous prime is 118494499. The next prime is 118494517. The reversal of 118494513 is 315494811.

118494513 is a `hidden beast` number, since 118 + 494 + 51 + 3 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1140624 + 117353889 = 1068^2 + 10833^2 .

It is not a de Polignac number, because 118494513 - 2⁶ = 118494449 is a prime.

It is a super-2 number, since 2×118494513² = 28081899222214338, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (118494517) 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, 54381 + ... + 56517.

It is an arithmetic number, because the mean of its divisors is an integer number (7323719).

Almost surely, 2^118494513 is an apocalyptic number.

It is an amenable number.

118494513 is a deficient number, since it is larger than the sum of its proper divisors (57274743).

118494513 is a wasteful number, since it uses less digits than its factorization.

118494513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2305 (or 2302 counting only the distinct ones).

The product of its digits is 17280, while the sum is 36.

The square root of 118494513 is about 10885.5184993642. The cubic root of 118494513 is about 491.1710336720.

The spelling of 118494513 in words is "one hundred eighteen million, four hundred ninety-four thousand, five hundred thirteen".