1318961460439 has 32 divisors (see below), whose sum is σ = 1535536880640. Its totient is φ = 1109610166272.

The previous prime is 1318961460433. The next prime is 1318961460521. The reversal of 1318961460439 is 9340641698131.

It is not a de Polignac number, because 1318961460439 - 2¹³ = 1318961452247 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1318961460439.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1318961460433) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 282249207 + ... + 282253879.

It is an arithmetic number, because the mean of its divisors is an integer number (47985527520).

Almost surely, 2^{1318961460439} is an apocalyptic number.

1318961460439 is a deficient number, since it is larger than the sum of its proper divisors (216575420201).

1318961460439 is a wasteful number, since it uses less digits than its factorization.

1318961460439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7839.

The product of its (nonzero) digits is 3359232, while the sum is 55.

The spelling of 1318961460439 in words is "one trillion, three hundred eighteen billion, nine hundred sixty-one million, four hundred sixty thousand, four hundred thirty-nine".