130542928 has 40 divisors (see below), whose sum is σ = 261545760. Its totient is φ = 63085440.

The previous prime is 130542899. The next prime is 130542931. The reversal of 130542928 is 829245031.

It is a junction number, because it is equal to n+sod(n) for n = 130542893 and 130542902.

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, 56451 + ... + 58717.

It is an arithmetic number, because the mean of its divisors is an integer number (6538644).

Almost surely, 2^130542928 is an apocalyptic number.

It is an amenable number.

130542928 is an abundant number, since it is smaller than the sum of its proper divisors (131002832).

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

130542928 is a wasteful number, since it uses less digits than its factorization.

130542928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2395 (or 2389 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 130542928 is about 11425.5384118211. The cubic root of 130542928 is about 507.2839437201.

Adding to 130542928 its reverse (829245031), we get a palindrome (959787959).

The spelling of 130542928 in words is "one hundred thirty million, five hundred forty-two thousand, nine hundred twenty-eight".