131887112 has 32 divisors (see below), whose sum is σ = 283046400. Its totient is φ = 56436864.

The previous prime is 131887111. The next prime is 131887127. The reversal of 131887112 is 211788131.

It is not an unprimeable number, because it can be changed into a prime (131887111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46964 + ... + 49692.

It is an arithmetic number, because the mean of its divisors is an integer number (8845200).

Almost surely, 2^131887112 is an apocalyptic number.

It is an amenable number.

131887112 is an abundant number, since it is smaller than the sum of its proper divisors (151159288).

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

131887112 is a wasteful number, since it uses less digits than its factorization.

131887112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3605 (or 3601 counting only the distinct ones).

The product of its digits is 2688, while the sum is 32.

The square root of 131887112 is about 11484.2114226446. The cubic root of 131887112 is about 509.0191477313.

The spelling of 131887112 in words is "one hundred thirty-one million, eight hundred eighty-seven thousand, one hundred twelve".