1381368143999 has 8 divisors (see below), whose sum is σ = 1462723900560. Its totient is φ = 1300023366016.

The previous prime is 1381368143927. The next prime is 1381368144007. The reversal of 1381368143999 is 9993418631831.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1381368143999 - 2²⁴ = 1381351366783 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 (1381368143399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2484884 + ... + 2989545.

It is an arithmetic number, because the mean of its divisors is an integer number (182840487570).

Almost surely, 2^{1381368143999} is an apocalyptic number.

1381368143999 is a deficient number, since it is larger than the sum of its proper divisors (81355756561).

1381368143999 is a wasteful number, since it uses less digits than its factorization.

1381368143999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5489289.

The product of its digits is 30233088, while the sum is 65.

The spelling of 1381368143999 in words is "one trillion, three hundred eighty-one billion, three hundred sixty-eight million, one hundred forty-three thousand, nine hundred ninety-nine".