130756672 has 28 divisors (see below), whose sum is σ = 263731756. Its totient is φ = 64304640.

The previous prime is 130756669. The next prime is 130756697. The reversal of 130756672 is 276657031.

It can be written as a sum of positive squares in 2 ways, for example, as 75759616 + 54997056 = 8704^2 + 7416^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12843 + ... + 20650.

Almost surely, 2^130756672 is an apocalyptic number.

It is an amenable number.

130756672 is an abundant number, since it is smaller than the sum of its proper divisors (132975084).

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

130756672 is an equidigital number, since it uses as much as digits as its factorization.

130756672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33566 (or 33556 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 37.

The square root of 130756672 is about 11434.8883684975. Note that the first 3 decimals coincide. The cubic root of 130756672 is about 507.5606592704.

The spelling of 130756672 in words is "one hundred thirty million, seven hundred fifty-six thousand, six hundred seventy-two".