118354189 has 4 divisors (see below), whose sum is σ = 121106656. Its totient is φ = 115601724.

The previous prime is 118354151. The next prime is 118354217. The reversal of 118354189 is 981453811.

It is a happy number.

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 a de Polignac number, because none of the positive numbers 2^k-118354189 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 (118394189) 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, 1376169 + ... + 1376254.

It is an arithmetic number, because the mean of its divisors is an integer number (30276664).

Almost surely, 2^118354189 is an apocalyptic number.

It is an amenable number.

118354189 is a deficient number, since it is larger than the sum of its proper divisors (2752467).

118354189 is an equidigital number, since it uses as much as digits as its factorization.

118354189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2752466.

The product of its digits is 34560, while the sum is 40.

The square root of 118354189 is about 10879.0711460124. The cubic root of 118354189 is about 490.9770716421.

The spelling of 118354189 in words is "one hundred eighteen million, three hundred fifty-four thousand, one hundred eighty-nine".