1316402344144 has 80 divisors (see below), whose sum is σ = 2674396720512. Its totient is φ = 626521319424.

The previous prime is 1316402344133. The next prime is 1316402344151. The reversal of 1316402344144 is 4414432046131.

It is a super-2 number, since 2×1316402344144² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71059267 + ... + 71077789.

Almost surely, 2^{1316402344144} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1316402344144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1337198360256).

1316402344144 is an abundant number, since it is smaller than the sum of its proper divisors (1357994376368).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1316402344144 is a wasteful number, since it uses less digits than its factorization.

1316402344144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19484 (or 19478 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 37.

The spelling of 1316402344144 in words is "one trillion, three hundred sixteen billion, four hundred two million, three hundred forty-four thousand, one hundred forty-four".