130428808 has 16 divisors (see below), whose sum is σ = 247905180. Its totient is φ = 64320768.

The previous prime is 130428803. The next prime is 130428841. The reversal of 130428808 is 808824031.

It can be written as a sum of positive squares in 2 ways, for example, as 125037124 + 5391684 = 11182^2 + 2322^2 .

It is not an unprimeable number, because it can be changed into a prime (130428803) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111085 + ... + 112252.

Almost surely, 2^130428808 is an apocalyptic number.

It is an amenable number.

130428808 is a deficient number, since it is larger than the sum of its proper divisors (117476372).

130428808 is a wasteful number, since it uses less digits than its factorization.

130428808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223416 (or 223412 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 34.

The square root of 130428808 is about 11420.5432445221. The cubic root of 130428808 is about 507.1360788960.

The spelling of 130428808 in words is "one hundred thirty million, four hundred twenty-eight thousand, eight hundred eight".