14131142021 has 4 divisors (see below), whose sum is σ = 14586985344. Its totient is φ = 13675298700.

The previous prime is 14131141993. The next prime is 14131142027. The reversal of 14131142021 is 12024113141.

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-14131142021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 14131141984 and 14131142002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14131142027) 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, 227921615 + ... + 227921676.

It is an arithmetic number, because the mean of its divisors is an integer number (3646746336).

Almost surely, 2^14131142021 is an apocalyptic number.

It is an amenable number.

14131142021 is a deficient number, since it is larger than the sum of its proper divisors (455843323).

14131142021 is an equidigital number, since it uses as much as digits as its factorization.

14131142021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455843322.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 14131142021 its reverse (12024113141), we get a palindrome (26155255162).

The spelling of 14131142021 in words is "fourteen billion, one hundred thirty-one million, one hundred forty-two thousand, twenty-one".