1336886312644 has 81 divisors (see below), whose sum is σ = 2570366144199. Its totient is φ = 608273687040.

The previous prime is 1336886312617. The next prime is 1336886312659. The reversal of 1336886312644 is 4462136886331.

It is a happy number.

The square root of 1336886312644 is 1156238.

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 7016072644 + 1329870240000 = 83762^2 + 1153200^2 .

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 26 ways as a sum of consecutive naturals, for example, 1218674304 + ... + 1218675400.

Almost surely, 2^{1336886312644} is an apocalyptic number.

1336886312644 is the 1156238-th square number.

It is an amenable number.

1336886312644 is a deficient number, since it is larger than the sum of its proper divisors (1233479831555).

1336886312644 is an equidigital number, since it uses as much as digits as its factorization.

1336886312644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2294 (or 1147 counting only the distinct ones).

The product of its digits is 11943936, while the sum is 55.

The spelling of 1336886312644 in words is "one trillion, three hundred thirty-six billion, eight hundred eighty-six million, three hundred twelve thousand, six hundred forty-four".