131189118 has 8 divisors (see below), whose sum is σ = 262378248. Its totient is φ = 43729704.

The previous prime is 131189111. The next prime is 131189137. The reversal of 131189118 is 811981131.

It is a sphenic number, since it is the product of 3 distinct primes.

131189118 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131189111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10932421 + ... + 10932432.

It is an arithmetic number, because the mean of its divisors is an integer number (32797281).

Almost surely, 2^131189118 is an apocalyptic number.

131189118 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131189118 is a wasteful number, since it uses less digits than its factorization.

131189118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21864858.

The product of its digits is 1728, while the sum is 33.

The square root of 131189118 is about 11453.7818208660. The cubic root of 131189118 is about 508.1195881681.

The spelling of 131189118 in words is "one hundred thirty-one million, one hundred eighty-nine thousand, one hundred eighteen".