130520372 has 12 divisors (see below), whose sum is σ = 228794916. Its totient is φ = 65150400.

The previous prime is 130520371. The next prime is 130520389. The reversal of 130520372 is 273025031.

It can be written as a sum of positive squares in 2 ways, for example, as 124634896 + 5885476 = 11164^2 + 2426^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130520371) 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, 24743 + ... + 29550.

It is an arithmetic number, because the mean of its divisors is an integer number (19066243).

Almost surely, 2^130520372 is an apocalyptic number.

It is an amenable number.

130520372 is a deficient number, since it is larger than the sum of its proper divisors (98274544).

130520372 is a wasteful number, since it uses less digits than its factorization.

130520372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54898 (or 54896 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 23.

The square root of 130520372 is about 11424.5512822167. The cubic root of 130520372 is about 507.2547248369.

The spelling of 130520372 in words is "one hundred thirty million, five hundred twenty thousand, three hundred seventy-two".