118138753 has 4 divisors (see below), whose sum is σ = 121020228. Its totient is φ = 115257280.

The previous prime is 118138717. The next prime is 118138771. The reversal of 118138753 is 357831811.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 51667344 + 66471409 = 7188^2 + 8153^2 .

It is a cyclic number.

It is not a de Polignac number, because 118138753 - 2¹³ = 118130561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (118138453) 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, 1440676 + ... + 1440757.

It is an arithmetic number, because the mean of its divisors is an integer number (30255057).

Almost surely, 2^118138753 is an apocalyptic number.

It is an amenable number.

118138753 is a deficient number, since it is larger than the sum of its proper divisors (2881475).

118138753 is an equidigital number, since it uses as much as digits as its factorization.

118138753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2881474.

The product of its digits is 20160, while the sum is 37.

The square root of 118138753 is about 10869.1652393365. The cubic root of 118138753 is about 490.6789878951.

The spelling of 118138753 in words is "one hundred eighteen million, one hundred thirty-eight thousand, seven hundred fifty-three".