130725594 has 12 divisors (see below), whose sum is σ = 283238826. Its totient is φ = 43575192.

The previous prime is 130725577. The next prime is 130725601. The reversal of 130725594 is 495527031.

130725594 is a `hidden beast` number, since 1 + 30 + 72 + 559 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 121815369 + 8910225 = 11037^2 + 2985^2 .

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

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, 3631249 + ... + 3631284.

Almost surely, 2^130725594 is an apocalyptic number.

130725594 is an abundant number, since it is smaller than the sum of its proper divisors (152513232).

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

130725594 is a wasteful number, since it uses less digits than its factorization.

130725594 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7262541 (or 7262538 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 36.

The square root of 130725594 is about 11433.5293763562. The cubic root of 130725594 is about 507.5204440631.

The spelling of 130725594 in words is "one hundred thirty million, seven hundred twenty-five thousand, five hundred ninety-four".