1380780104356 has 9 divisors (see below), whose sum is σ = 2416369295361. Its totient is φ = 690388877112.

The previous prime is 1380780104323. The next prime is 1380780104369. The reversal of 1380780104356 is 6534010870831.

The square root of 1380780104356 is 1175066.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1316779200100 + 64000904256 = 1147510^2 + 252984^2 .

It is a Duffinian 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 2 ways as a sum of consecutive naturals, for example, 2056366 + ... + 2643898.

Almost surely, 2^{1380780104356} is an apocalyptic number.

1380780104356 is the 1175066-th square number.

It is an amenable number.

1380780104356 is a deficient number, since it is larger than the sum of its proper divisors (1035589191005).

1380780104356 is an frugal number, since it uses more digits than its factorization.

1380780104356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1175070 (or 587535 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 46.

The spelling of 1380780104356 in words is "one trillion, three hundred eighty billion, seven hundred eighty million, one hundred four thousand, three hundred fifty-six".