1313404626305 has 16 divisors (see below), whose sum is σ = 1707605691264. Its totient is φ = 965918365440.

The previous prime is 1313404626283. The next prime is 1313404626337. The reversal of 1313404626305 is 5036264043131.

It is not a de Polignac number, because 1313404626305 - 2⁸ = 1313404626049 is a prime.

It is a Duffinian number.

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, 179668661 + ... + 179675970.

It is an arithmetic number, because the mean of its divisors is an integer number (106725355704).

Almost surely, 2^{1313404626305} is an apocalyptic number.

It is an amenable number.

1313404626305 is a deficient number, since it is larger than the sum of its proper divisors (394201064959).

1313404626305 is a wasteful number, since it uses less digits than its factorization.

1313404626305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359344696.

The product of its (nonzero) digits is 155520, while the sum is 38.

Adding to 1313404626305 its reverse (5036264043131), we get a palindrome (6349668669436).

The spelling of 1313404626305 in words is "one trillion, three hundred thirteen billion, four hundred four million, six hundred twenty-six thousand, three hundred five".