130570072721 has 16 divisors (see below), whose sum is σ = 150947955648. Its totient is φ = 111622118400.

The previous prime is 130570072693. The next prime is 130570072723. The reversal of 130570072721 is 127270075031.

It is a cyclic number.

It is not a de Polignac number, because 130570072721 - 2⁶ = 130570072657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130570072723) 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, 79160 + ... + 517113.

It is an arithmetic number, because the mean of its divisors is an integer number (9434247228).

Almost surely, 2^130570072721 is an apocalyptic number.

130570072721 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

130570072721 is a deficient number, since it is larger than the sum of its proper divisors (20377882927).

130570072721 is a wasteful number, since it uses less digits than its factorization.

130570072721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 597472.

The product of its (nonzero) digits is 20580, while the sum is 35.

The spelling of 130570072721 in words is "one hundred thirty billion, five hundred seventy million, seventy-two thousand, seven hundred twenty-one".