130720309329 has 8 divisors (see below), whose sum is σ = 174298664032. Its totient is φ = 87144413760.

The previous prime is 130720309309. The next prime is 130720309397. The reversal of 130720309329 is 923903027031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 130720309329 - 2¹⁶ = 130720243793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130720309309) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 486952 + ... + 706089.

It is an arithmetic number, because the mean of its divisors is an integer number (21787333004).

Almost surely, 2^130720309329 is an apocalyptic number.

It is an amenable number.

130720309329 is a deficient number, since it is larger than the sum of its proper divisors (43578354703).

130720309329 is a wasteful number, since it uses less digits than its factorization.

130720309329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1229567.

The product of its (nonzero) digits is 61236, while the sum is 39.

The spelling of 130720309329 in words is "one hundred thirty billion, seven hundred twenty million, three hundred nine thousand, three hundred twenty-nine".