131544112 has 40 divisors (see below), whose sum is σ = 293436576. Its totient is φ = 55958016.

The previous prime is 131544109. The next prime is 131544137. The reversal of 131544112 is 211445131.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11058 + ... + 19630.

Almost surely, 2^131544112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131544112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146718288).

131544112 is an abundant number, since it is smaller than the sum of its proper divisors (161892464).

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

131544112 is a wasteful number, since it uses less digits than its factorization.

131544112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8725 (or 8719 counting only the distinct ones).

The product of its digits is 480, while the sum is 22.

The square root of 131544112 is about 11469.2681545075. The cubic root of 131544112 is about 508.5774944119.

Adding to 131544112 its reverse (211445131), we get a palindrome (342989243).

The spelling of 131544112 in words is "one hundred thirty-one million, five hundred forty-four thousand, one hundred twelve".