130249128 has 32 divisors (see below), whose sum is σ = 333567360. Its totient is φ = 42357120.

The previous prime is 130249109. The next prime is 130249151. The reversal of 130249128 is 821942031.

It is a junction number, because it is equal to n+sod(n) for n = 130249095 and 130249104.

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, 65200 + ... + 67167.

It is an arithmetic number, because the mean of its divisors is an integer number (10423980).

Almost surely, 2^130249128 is an apocalyptic number.

It is an amenable number.

130249128 is an abundant number, since it is smaller than the sum of its proper divisors (203318232).

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

130249128 is a wasteful number, since it uses less digits than its factorization.

130249128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132417 (or 132413 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 130249128 is about 11412.6740074358. The cubic root of 130249128 is about 506.9030933367.

The spelling of 130249128 in words is "one hundred thirty million, two hundred forty-nine thousand, one hundred twenty-eight".