1381064893392 has 240 divisors, whose sum is σ = 4108895138880. Its totient is φ = 397226004480.

The previous prime is 1381064893379. The next prime is 1381064893447. The reversal of 1381064893392 is 2933984601831.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 14852998 + ... + 14945690.

It is an arithmetic number, because the mean of its divisors is an integer number (17120396412).

Almost surely, 2^{1381064893392} is an apocalyptic number.

1381064893392 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 1381064893392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2054447569440).

1381064893392 is an abundant number, since it is smaller than the sum of its proper divisors (2727830245488).

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

1381064893392 is a wasteful number, since it uses less digits than its factorization.

1381064893392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92802 (or 92765 counting only the distinct ones).

The product of its (nonzero) digits is 6718464, while the sum is 57.

The spelling of 1381064893392 in words is "one trillion, three hundred eighty-one billion, sixty-four million, eight hundred ninety-three thousand, three hundred ninety-two".