14140279517 has 54 divisors (see below), whose sum is σ = 18222101658. Its totient is φ = 10935707328.

The previous prime is 14140279513. The next prime is 14140279523. The reversal of 14140279517 is 71597204141.

It can be written as a sum of positive squares in 3 ways, for example, as 956417476 + 13183862041 = 30926^2 + 114821^2 .

It is not a de Polignac number, because 14140279517 - 2² = 14140279513 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 (14140279513) 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 53 ways as a sum of consecutive naturals, for example, 18292343 + ... + 18293115.

It is an arithmetic number, because the mean of its divisors is an integer number (337446327).

Almost surely, 2^14140279517 is an apocalyptic number.

It is an amenable number.

14140279517 is a deficient number, since it is larger than the sum of its proper divisors (4081822141).

14140279517 is an equidigital number, since it uses as much as digits as its factorization.

14140279517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 907 (or 840 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 41.

The spelling of 14140279517 in words is "fourteen billion, one hundred forty million, two hundred seventy-nine thousand, five hundred seventeen".