130779008 has 16 divisors (see below), whose sum is σ = 260536560. Its totient is φ = 65389440.

The previous prime is 130779007. The next prime is 130779017. The reversal of 130779008 is 800977031.

It is a tau number, because it is divible by the number of its divisors (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130779001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510728 + ... + 510983.

It is an arithmetic number, because the mean of its divisors is an integer number (16283535).

Almost surely, 2^130779008 is an apocalyptic number.

It is an amenable number.

130779008 is a deficient number, since it is larger than the sum of its proper divisors (129757552).

130779008 is an equidigital number, since it uses as much as digits as its factorization.

130779008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1021725 (or 1021713 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 35.

The square root of 130779008 is about 11435.8649869610. The cubic root of 130779008 is about 507.5895583169.

The spelling of 130779008 in words is "one hundred thirty million, seven hundred seventy-nine thousand, eight".