130428816 has 40 divisors (see below), whose sum is σ = 385076544. Its totient is φ = 37265280.

The previous prime is 130428803. The next prime is 130428841. The reversal of 130428816 is 618824031.

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, 193755 + ... + 194426.

Almost surely, 2^130428816 is an apocalyptic number.

130428816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

130428816 is an abundant number, since it is smaller than the sum of its proper divisors (254647728).

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

130428816 is a wasteful number, since it uses less digits than its factorization.

130428816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388199 (or 388193 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 130428816 is about 11420.5435947682. The cubic root of 130428816 is about 507.1360892646.

The spelling of 130428816 in words is "one hundred thirty million, four hundred twenty-eight thousand, eight hundred sixteen".