14240131440221 has 4 divisors (see below), whose sum is σ = 14571297287712. Its totient is φ = 13908965592732.

The previous prime is 14240131440181. The next prime is 14240131440229. The reversal of 14240131440221 is 12204413104241.

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 a de Polignac number, because none of the positive numbers 2^k-14240131440221 is a prime.

It is a super-2 number, since 2×14240131440221² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14240131440229) 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, 165582923681 + ... + 165582923766.

It is an arithmetic number, because the mean of its divisors is an integer number (3642824321928).

Almost surely, 2^{14240131440221} is an apocalyptic number.

It is an amenable number.

14240131440221 is a deficient number, since it is larger than the sum of its proper divisors (331165847491).

14240131440221 is an equidigital number, since it uses as much as digits as its factorization.

14240131440221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331165847490.

The product of its (nonzero) digits is 6144, while the sum is 29.

Adding to 14240131440221 its reverse (12204413104241), we get a palindrome (26444544544462).

The spelling of 14240131440221 in words is "fourteen trillion, two hundred forty billion, one hundred thirty-one million, four hundred forty thousand, two hundred twenty-one".