13140214221 has 4 divisors (see below), whose sum is σ = 17520285632. Its totient is φ = 8760142812.

The previous prime is 13140214207. The next prime is 13140214223. The reversal of 13140214221 is 12241204131.

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 not a de Polignac number, because 13140214221 - 2²³ = 13131825613 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 (13140214223) 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, 2190035701 + ... + 2190035706.

It is an arithmetic number, because the mean of its divisors is an integer number (4380071408).

Almost surely, 2^13140214221 is an apocalyptic number.

It is an amenable number.

13140214221 is a deficient number, since it is larger than the sum of its proper divisors (4380071411).

13140214221 is an equidigital number, since it uses as much as digits as its factorization.

13140214221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4380071410.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 13140214221 its reverse (12241204131), we get a palindrome (25381418352).

The spelling of 13140214221 in words is "thirteen billion, one hundred forty million, two hundred fourteen thousand, two hundred twenty-one".