118443613 has 4 divisors (see below), whose sum is σ = 118467360. Its totient is φ = 118419868.

The previous prime is 118443601. The next prime is 118443617. The reversal of 118443613 is 316344811.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 118443613 - 2¹⁷ = 118312541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118443617) 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, 1183 + ... + 15436.

It is an arithmetic number, because the mean of its divisors is an integer number (29616840).

Almost surely, 2^118443613 is an apocalyptic number.

It is an amenable number.

118443613 is a deficient number, since it is larger than the sum of its proper divisors (23747).

118443613 is an equidigital number, since it uses as much as digits as its factorization.

118443613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23746.

The product of its digits is 6912, while the sum is 31.

The square root of 118443613 is about 10883.1802796793. The cubic root of 118443613 is about 491.1006951515.

The spelling of 118443613 in words is "one hundred eighteen million, four hundred forty-three thousand, six hundred thirteen".