130672817972 has 6 divisors (see below), whose sum is σ = 228677431458. Its totient is φ = 65336408984.

The previous prime is 130672817939. The next prime is 130672818007. The reversal of 130672817972 is 279718276031.

It can be written as a sum of positive squares in only one way, i.e., 81582211876 + 49090606096 = 285626^2 + 221564^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16334102243 + ... + 16334102250.

It is an arithmetic number, because the mean of its divisors is an integer number (38112905243).

Almost surely, 2^130672817972 is an apocalyptic number.

It is an amenable number.

130672817972 is a deficient number, since it is larger than the sum of its proper divisors (98004613486).

130672817972 is a wasteful number, since it uses less digits than its factorization.

130672817972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32668204497 (or 32668204495 counting only the distinct ones).

The product of its (nonzero) digits is 1778112, while the sum is 53.

The spelling of 130672817972 in words is "one hundred thirty billion, six hundred seventy-two million, eight hundred seventeen thousand, nine hundred seventy-two".