130747172 has 12 divisors (see below), whose sum is σ = 230131356. Its totient is φ = 64995360.

The previous prime is 130747163. The next prime is 130747207. The reversal of 130747172 is 271747031.

It can be written as a sum of positive squares in 2 ways, for example, as 118243876 + 12503296 = 10874^2 + 3536^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93779 + ... + 95162.

It is an arithmetic number, because the mean of its divisors is an integer number (19177613).

Almost surely, 2^130747172 is an apocalyptic number.

It is an amenable number.

130747172 is a deficient number, since it is larger than the sum of its proper divisors (99384184).

130747172 is a wasteful number, since it uses less digits than its factorization.

130747172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189118 (or 189116 counting only the distinct ones).

The product of its (nonzero) digits is 8232, while the sum is 32.

The square root of 130747172 is about 11434.4729655546. The cubic root of 130747172 is about 507.5483668625.

The spelling of 130747172 in words is "one hundred thirty million, seven hundred forty-seven thousand, one hundred seventy-two".