118346507 has 4 divisors (see below), whose sum is σ = 120352440. Its totient is φ = 116340576.

The previous prime is 118346489. The next prime is 118346519. The reversal of 118346507 is 705643811.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 705643811 = 2137 ⋅330203.

It is a cyclic number.

It is not a de Polignac number, because 118346507 - 2²⁰ = 117297931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (118346567) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1002878 + ... + 1002995.

It is an arithmetic number, because the mean of its divisors is an integer number (30088110).

Almost surely, 2^118346507 is an apocalyptic number.

118346507 is a deficient number, since it is larger than the sum of its proper divisors (2005933).

118346507 is an equidigital number, since it uses as much as digits as its factorization.

118346507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2005932.

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 118346507 is about 10878.7180770530. The cubic root of 118346507 is about 490.9664488172.

The spelling of 118346507 in words is "one hundred eighteen million, three hundred forty-six thousand, five hundred seven".