1378835513736 has 32 divisors (see below), whose sum is σ = 3447693772800. Its totient is φ = 459531172800.

The previous prime is 1378835513701. The next prime is 1378835513801. The reversal of 1378835513736 is 6373155388731.

It is a self number, because there is not a number n which added to its sum of digits gives 1378835513736.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4901896 + ... + 5175543.

It is an arithmetic number, because the mean of its divisors is an integer number (107740430400).

Almost surely, 2^{1378835513736} is an apocalyptic number.

It is an amenable number.

1378835513736 is an abundant number, since it is smaller than the sum of its proper divisors (2068858259064).

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

1378835513736 is a wasteful number, since it uses less digits than its factorization.

1378835513736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10083149 (or 10083145 counting only the distinct ones).

The product of its digits is 38102400, while the sum is 60.

The spelling of 1378835513736 in words is "one trillion, three hundred seventy-eight billion, eight hundred thirty-five million, five hundred thirteen thousand, seven hundred thirty-six".