131520112 has 20 divisors (see below), whose sum is σ = 255921120. Its totient is φ = 65475968.

The previous prime is 131520097. The next prime is 131520121. The reversal of 131520112 is 211025131.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13912 + ... + 21367.

It is an arithmetic number, because the mean of its divisors is an integer number (12796056).

Almost surely, 2^131520112 is an apocalyptic number.

It is an amenable number.

131520112 is a deficient number, since it is larger than the sum of its proper divisors (124401008).

131520112 is a wasteful number, since it uses less digits than its factorization.

131520112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35520 (or 35514 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 131520112 is about 11468.2218325249. The cubic root of 131520112 is about 508.5465628304.

Adding to 131520112 its reverse (211025131), we get a palindrome (342545243).

The spelling of 131520112 in words is "one hundred thirty-one million, five hundred twenty thousand, one hundred twelve".