130105157172 has 48 divisors (see below), whose sum is σ = 316898695680. Its totient is φ = 41466968928.

The previous prime is 130105157159. The next prime is 130105157177. The reversal of 130105157172 is 271751501031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130105157177) 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, 645243 + ... + 822525.

It is an arithmetic number, because the mean of its divisors is an integer number (6602056160).

Almost surely, 2^130105157172 is an apocalyptic number.

130105157172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

130105157172 is an abundant number, since it is smaller than the sum of its proper divisors (186793538508).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

130105157172 is a wasteful number, since it uses less digits than its factorization.

130105157172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179972 (or 179970 counting only the distinct ones).

The product of its (nonzero) digits is 7350, while the sum is 33.

The spelling of 130105157172 in words is "one hundred thirty billion, one hundred five million, one hundred fifty-seven thousand, one hundred seventy-two".