14131443439 has 4 divisors (see below), whose sum is σ = 14875203640. Its totient is φ = 13387683240.

The previous prime is 14131443419. The next prime is 14131443451. The reversal of 14131443439 is 93434413141.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 14131443439 - 2¹¹ = 14131441391 is a prime.

It is a super-2 number, since 2×14131443439² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 14131443398 and 14131443407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14131443419) 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, 371880072 + ... + 371880109.

It is an arithmetic number, because the mean of its divisors is an integer number (3718800910).

Almost surely, 2^14131443439 is an apocalyptic number.

14131443439 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

14131443439 is a deficient number, since it is larger than the sum of its proper divisors (743760201).

14131443439 is an equidigital number, since it uses as much as digits as its factorization.

14131443439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 743760200.

The product of its digits is 62208, while the sum is 37.

The spelling of 14131443439 in words is "fourteen billion, one hundred thirty-one million, four hundred forty-three thousand, four hundred thirty-nine".