130981872 has 160 divisors (see below), whose sum is σ = 427686912. Its totient is φ = 33656832.

The previous prime is 130981871. The next prime is 130981883. The reversal of 130981872 is 278189031.

It is a self number, because there is not a number n which added to its sum of digits gives 130981872.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130981871) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 130878 + ... + 131874.

Almost surely, 2^130981872 is an apocalyptic number.

130981872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 130981872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (213843456).

130981872 is an abundant number, since it is smaller than the sum of its proper divisors (296705040).

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

130981872 is a wasteful number, since it uses less digits than its factorization.

130981872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1055 (or 1049 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 39.

The square root of 130981872 is about 11444.7311895038. The cubic root of 130981872 is about 507.8518798532.

The spelling of 130981872 in words is "one hundred thirty million, nine hundred eighty-one thousand, eight hundred seventy-two".