1319226872705 has 32 divisors (see below), whose sum is σ = 1834419218688. Its totient is φ = 892087200000.

The previous prime is 1319226872683. The next prime is 1319226872731. The reversal of 1319226872705 is 5072786229131.

It is not a de Polignac number, because 1319226872705 - 2¹⁰ = 1319226871681 is a prime.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 143879 + ... + 1630691.

It is an arithmetic number, because the mean of its divisors is an integer number (57325600584).

Almost surely, 2^{1319226872705} is an apocalyptic number.

It is an amenable number.

1319226872705 is a deficient number, since it is larger than the sum of its proper divisors (515192345983).

1319226872705 is a wasteful number, since it uses less digits than its factorization.

1319226872705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1487177.

The product of its (nonzero) digits is 2540160, while the sum is 53.

The spelling of 1319226872705 in words is "one trillion, three hundred nineteen billion, two hundred twenty-six million, eight hundred seventy-two thousand, seven hundred five".