130105672 has 16 divisors (see below), whose sum is σ = 248551740. Its totient is φ = 63825216.

The previous prime is 130105643. The next prime is 130105691. The reversal of 130105672 is 276501031.

It can be written as a sum of positive squares in 2 ways, for example, as 130096836 + 8836 = 11406^2 + 94^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 153003 + ... + 153850.

Almost surely, 2^130105672 is an apocalyptic number.

It is an amenable number.

130105672 is a deficient number, since it is larger than the sum of its proper divisors (118446068).

130105672 is a wasteful number, since it uses less digits than its factorization.

130105672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306912 (or 306908 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 130105672 is about 11406.3873334198. The cubic root of 130105672 is about 506.7169244544.

The spelling of 130105672 in words is "one hundred thirty million, one hundred five thousand, six hundred seventy-two".