130139272 has 8 divisors (see below), whose sum is σ = 244011150. Its totient is φ = 65069632.

The previous prime is 130139263. The next prime is 130139281. The reversal of 130139272 is 272931031.

It is an interprime number because it is at equal distance from previous prime (130139263) and next prime (130139281).

It can be written as a sum of positive squares in only one way, i.e., 130096836 + 42436 = 11406^2 + 206^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 130139272.

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 as a sum of consecutive naturals, namely, 8133697 + ... + 8133712.

Almost surely, 2^130139272 is an apocalyptic number.

It is an amenable number.

130139272 is a deficient number, since it is larger than the sum of its proper divisors (113871878).

130139272 is a wasteful number, since it uses less digits than its factorization.

130139272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16267415 (or 16267411 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 130139272 is about 11407.8600973189. The cubic root of 130139272 is about 506.7605408548.

The spelling of 130139272 in words is "one hundred thirty million, one hundred thirty-nine thousand, two hundred seventy-two".