14133240021 has 4 divisors (see below), whose sum is σ = 18844320032. Its totient is φ = 9422160012.

The previous prime is 14133240013. The next prime is 14133240029. The reversal of 14133240021 is 12004233141.

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 an interprime number because it is at equal distance from previous prime (14133240013) and next prime (14133240029).

It is not a de Polignac number, because 14133240021 - 2³ = 14133240013 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 14133240021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14133240029) 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, 2355540001 + ... + 2355540006.

It is an arithmetic number, because the mean of its divisors is an integer number (4711080008).

Almost surely, 2^14133240021 is an apocalyptic number.

It is an amenable number.

14133240021 is a deficient number, since it is larger than the sum of its proper divisors (4711080011).

14133240021 is an equidigital number, since it uses as much as digits as its factorization.

14133240021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4711080010.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 14133240021 its reverse (12004233141), we get a palindrome (26137473162).

The spelling of 14133240021 in words is "fourteen billion, one hundred thirty-three million, two hundred forty thousand, twenty-one".