1313926218745 has 16 divisors (see below), whose sum is σ = 1845906104448. Its totient is φ = 879002904960.

The previous prime is 1313926218733. The next prime is 1313926218767. The reversal of 1313926218745 is 5478126293131.

It is not a de Polignac number, because 1313926218745 - 2³⁷ = 1176487265273 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1313926218692 and 1313926218701.

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, 457812579 + ... + 457815448.

It is an arithmetic number, because the mean of its divisors is an integer number (115369131528).

Almost surely, 2^{1313926218745} is an apocalyptic number.

It is an amenable number.

1313926218745 is a deficient number, since it is larger than the sum of its proper divisors (531979885703).

1313926218745 is an equidigital number, since it uses as much as digits as its factorization.

1313926218745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 915628080.

The product of its digits is 2177280, while the sum is 52.

The spelling of 1313926218745 in words is "one trillion, three hundred thirteen billion, nine hundred twenty-six million, two hundred eighteen thousand, seven hundred forty-five".