1368586457956 has 27 divisors (see below), whose sum is σ = 2461661926059. Its totient is φ = 665756702208.

The previous prime is 1368586457941. The next prime is 1368586457977. The reversal of 1368586457956 is 6597546858631.

The square root of 1368586457956 is 1169866.

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

It can be written as a sum of positive squares in 4 ways, for example, as 26195422500 + 1342391035456 = 161850^2 + 1158616^2 .

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 8 ways as a sum of consecutive naturals, for example, 86562180 + ... + 86577988.

Almost surely, 2^{1368586457956} is an apocalyptic number.

1368586457956 is the 1169866-th square number.

It is an amenable number.

1368586457956 is a deficient number, since it is larger than the sum of its proper divisors (1093075468103).

1368586457956 is an frugal number, since it uses more digits than its factorization.

1368586457956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31696 (or 15848 counting only the distinct ones).

The product of its digits is 1306368000, while the sum is 73.

It can be divided in two parts, 136858645 and 7956, that added together give a square (136866601 = 11699²).

The spelling of 1368586457956 in words is "one trillion, three hundred sixty-eight billion, five hundred eighty-six million, four hundred fifty-seven thousand, nine hundred fifty-six".