14130065221 has 4 divisors (see below), whose sum is σ = 14130774700. Its totient is φ = 14129355744.

The previous prime is 14130065207. The next prime is 14130065231. The reversal of 14130065221 is 12256003141.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12256003141 = 35837 ⋅341993.

It can be written as a sum of positive squares in 2 ways, for example, as 3233628225 + 10896436996 = 56865^2 + 104386^2 .

It is a cyclic number.

It is not a de Polignac number, because 14130065221 - 2²⁷ = 13995847493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14130065231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 323976 + ... + 364993.

It is an arithmetic number, because the mean of its divisors is an integer number (3532693675).

Almost surely, 2^14130065221 is an apocalyptic number.

It is an amenable number.

14130065221 is a deficient number, since it is larger than the sum of its proper divisors (709479).

14130065221 is an equidigital number, since it uses as much as digits as its factorization.

14130065221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 709478.

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 14130065221 its reverse (12256003141), we get a palindrome (26386068362).

The spelling of 14130065221 in words is "fourteen billion, one hundred thirty million, sixty-five thousand, two hundred twenty-one".