14143134421 has 4 divisors (see below), whose sum is σ = 15231067852. Its totient is φ = 13055200992.

The previous prime is 14143134413. The next prime is 14143134427. The reversal of 14143134421 is 12443134141.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12443134141 = 2417 ⋅5148173.

It can be written as a sum of positive squares in 2 ways, for example, as 4487124196 + 9656010225 = 66986^2 + 98265^2 .

It is a cyclic number.

It is not a de Polignac number, because 14143134421 - 2³ = 14143134413 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 14143134421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14143134427) 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, 543966696 + ... + 543966721.

It is an arithmetic number, because the mean of its divisors is an integer number (3807766963).

Almost surely, 2^14143134421 is an apocalyptic number.

It is an amenable number.

14143134421 is a deficient number, since it is larger than the sum of its proper divisors (1087933431).

14143134421 is a wasteful number, since it uses less digits than its factorization.

14143134421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1087933430.

The product of its digits is 4608, while the sum is 28.

Adding to 14143134421 its reverse (12443134141), we get a palindrome (26586268562).

The spelling of 14143134421 in words is "fourteen billion, one hundred forty-three million, one hundred thirty-four thousand, four hundred twenty-one".