14564135321 has 4 divisors (see below), whose sum is σ = 14566516944. Its totient is φ = 14561753700.

The previous prime is 14564135317. The next prime is 14564135401. The reversal of 14564135321 is 12353146541.

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, and also an emirpimes, since its reverse is a distinct semiprime: 12353146541 = 32429 ⋅380929.

It is a cyclic number.

It is not a de Polignac number, because 14564135321 - 2² = 14564135317 is a prime.

It is a super-2 number, since 2×14564135321² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14564135021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1181615 + ... + 1193876.

It is an arithmetic number, because the mean of its divisors is an integer number (3641629236).

Almost surely, 2^14564135321 is an apocalyptic number.

It is an amenable number.

14564135321 is a deficient number, since it is larger than the sum of its proper divisors (2381623).

14564135321 is an equidigital number, since it uses as much as digits as its factorization.

14564135321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2381622.

The product of its digits is 43200, while the sum is 35.

The spelling of 14564135321 in words is "fourteen billion, five hundred sixty-four million, one hundred thirty-five thousand, three hundred twenty-one".