130280528 has 40 divisors (see below), whose sum is σ = 298433280. Its totient is φ = 53907840.

The previous prime is 130280483. The next prime is 130280593. The reversal of 130280528 is 825082031.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a self number, because there is not a number n which added to its sum of digits gives 130280528.

It is a congruent number.

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, 16808 + ... + 23303.

It is an arithmetic number, because the mean of its divisors is an integer number (7460832).

Almost surely, 2^130280528 is an apocalyptic number.

It is an amenable number.

130280528 is an abundant number, since it is smaller than the sum of its proper divisors (168152752).

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

130280528 is a wasteful number, since it uses less digits than its factorization.

130280528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40155 (or 40149 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 130280528 is about 11414.0495881173. The cubic root of 130280528 is about 506.9438242000.

The spelling of 130280528 in words is "one hundred thirty million, two hundred eighty thousand, five hundred twenty-eight".