1313606644145 has 16 divisors (see below), whose sum is σ = 1609921509120. Its totient is φ = 1028491142784.

The previous prime is 1313606644123. The next prime is 1313606644151. The reversal of 1313606644145 is 5414466063131.

It is not a de Polignac number, because 1313606644145 - 2²⁰ = 1313605595569 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1313606644096 and 1313606644105.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8494526 + ... + 8647784.

It is an arithmetic number, because the mean of its divisors is an integer number (100620094320).

Almost surely, 2^{1313606644145} is an apocalyptic number.

It is an amenable number.

1313606644145 is a deficient number, since it is larger than the sum of its proper divisors (296314864975).

1313606644145 is a wasteful number, since it uses less digits than its factorization.

1313606644145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189784.

The product of its (nonzero) digits is 622080, while the sum is 44.

The spelling of 1313606644145 in words is "one trillion, three hundred thirteen billion, six hundred six million, six hundred forty-four thousand, one hundred forty-five".