130620375828 has 18 divisors (see below), whose sum is σ = 330179283434. Its totient is φ = 43540125264.

The previous prime is 130620375817. The next prime is 130620375869. The reversal of 130620375828 is 828573026031.

130620375828 is a `hidden beast` number, since 1 + 3 + 0 + 62 + 0 + 3 + 7 + 582 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 119592855684 + 11027520144 = 345822^2 + 105012^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1814171851 + ... + 1814171922.

Almost surely, 2^130620375828 is an apocalyptic number.

130620375828 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

130620375828 is an abundant number, since it is smaller than the sum of its proper divisors (199558907606).

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

130620375828 is a wasteful number, since it uses less digits than its factorization.

130620375828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3628343783 (or 3628343778 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The spelling of 130620375828 in words is "one hundred thirty billion, six hundred twenty million, three hundred seventy-five thousand, eight hundred twenty-eight".