130725399 has 16 divisors (see below), whose sum is σ = 207862272. Its totient is φ = 71452128.

The previous prime is 130725383. The next prime is 130725409. The reversal of 130725399 is 993527031.

It is not a de Polignac number, because 130725399 - 2⁴ = 130725383 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130725319) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 134844 + ... + 135809.

It is an arithmetic number, because the mean of its divisors is an integer number (12991392).

Almost surely, 2^130725399 is an apocalyptic number.

130725399 is a deficient number, since it is larger than the sum of its proper divisors (77136873).

130725399 is a wasteful number, since it uses less digits than its factorization.

130725399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270686.

The product of its (nonzero) digits is 51030, while the sum is 39.

The square root of 130725399 is about 11433.5208488024. The cubic root of 130725399 is about 507.5201917112.

The spelling of 130725399 in words is "one hundred thirty million, seven hundred twenty-five thousand, three hundred ninety-nine".