1313606644144 has 10 divisors (see below), whose sum is σ = 2545112873060. Its totient is φ = 656803322064.

The previous prime is 1313606644123. The next prime is 1313606644151. The reversal of 1313606644144 is 4414466063131.

It is a happy number.

It is a super-2 number, since 2×1313606644144² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1313606644144.

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 as a sum of consecutive naturals, namely, 41050207614 + ... + 41050207645.

It is an arithmetic number, because the mean of its divisors is an integer number (254511287306).

Almost surely, 2^{1313606644144} is an apocalyptic number.

It is an amenable number.

1313606644144 is a deficient number, since it is larger than the sum of its proper divisors (1231506228916).

1313606644144 is an equidigital number, since it uses as much as digits as its factorization.

1313606644144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82100415267 (or 82100415261 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 43.

The spelling of 1313606644144 in words is "one trillion, three hundred thirteen billion, six hundred six million, six hundred forty-four thousand, one hundred forty-four".