130564321 has 4 divisors (see below), whose sum is σ = 130593472. Its totient is φ = 130535172.

The previous prime is 130564319. The next prime is 130564361. The reversal of 130564321 is 123465031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 130564321 - 2¹ = 130564319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130564361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6285 + ... + 17338.

It is an arithmetic number, because the mean of its divisors is an integer number (32648368).

Almost surely, 2^130564321 is an apocalyptic number.

It is an amenable number.

130564321 is a deficient number, since it is larger than the sum of its proper divisors (29151).

130564321 is an equidigital number, since it uses as much as digits as its factorization.

130564321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29150.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 130564321 is about 11426.4745656742. The cubic root of 130564321 is about 507.3116529517.

The spelling of 130564321 in words is "one hundred thirty million, five hundred sixty-four thousand, three hundred twenty-one".