1381794775296 has 144 divisors (see below), whose sum is σ = 4014735975936. Its totient is φ = 419343187968.

The previous prime is 1381794775259. The next prime is 1381794775303. The reversal of 1381794775296 is 6925774971831.

It is a self number, because there is not a number n which added to its sum of digits gives 1381794775296.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 219120 + ... + 1676783.

It is an arithmetic number, because the mean of its divisors is an integer number (27880110944).

Almost surely, 2^{1381794775296} is an apocalyptic number.

1381794775296 is a gapful number since it is divisible by the number (16) 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 1381794775296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2007367987968).

1381794775296 is an abundant number, since it is smaller than the sum of its proper divisors (2632941200640).

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

1381794775296 is a wasteful number, since it uses less digits than its factorization.

1381794775296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1896008 (or 1895994 counting only the distinct ones).

The product of its digits is 160030080, while the sum is 69.

The spelling of 1381794775296 in words is "one trillion, three hundred eighty-one billion, seven hundred ninety-four million, seven hundred seventy-five thousand, two hundred ninety-six".