130531872 has 48 divisors (see below), whose sum is σ = 343284480. Its totient is φ = 43429632.

The previous prime is 130531847. The next prime is 130531889. The reversal of 130531872 is 278135031.

It is a tau number, because it is divible by the number of its divisors (48).

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, 73329 + ... + 75087.

It is an arithmetic number, because the mean of its divisors is an integer number (7151760).

Almost surely, 2^130531872 is an apocalyptic number.

130531872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

130531872 is an abundant number, since it is smaller than the sum of its proper divisors (212752608).

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

130531872 is a wasteful number, since it uses less digits than its factorization.

130531872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2545 (or 2537 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 130531872 is about 11425.0545731738. The cubic root of 130531872 is about 507.2696222763.

The spelling of 130531872 in words is "one hundred thirty million, five hundred thirty-one thousand, eight hundred seventy-two".