1380931941312 has 672 divisors, whose sum is σ = 5113892134400. Its totient is φ = 357691023360.

The previous prime is 1380931941239. The next prime is 1380931941353. The reversal of 1380931941312 is 2131491390831.

1380931941312 is a `hidden beast` number, since 13 + 8 + 0 + 9 + 319 + 4 + 1 + 312 = 666.

It is a tau number, because it is divible by the number of its divisors (672).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 633744639 + ... + 633746817.

Almost surely, 2^{1380931941312} is an apocalyptic number.

1380931941312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1380931941312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2556946067200).

1380931941312 is an abundant number, since it is smaller than the sum of its proper divisors (3732960193088).

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

1380931941312 is a wasteful number, since it uses less digits than its factorization.

1380931941312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2662 (or 2635 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 45.

The spelling of 1380931941312 in words is "one trillion, three hundred eighty billion, nine hundred thirty-one million, nine hundred forty-one thousand, three hundred twelve".