13126444140446 has 32 divisors (see below), whose sum is σ = 24237785573568. Its totient is φ = 5191946807040.

The previous prime is 13126444140431. The next prime is 13126444140487. The reversal of 13126444140446 is 64404144462131.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 13126444140397 and 13126444140406.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5456495 + ... + 7485066.

It is an arithmetic number, because the mean of its divisors is an integer number (757430799174).

Almost surely, 2^{13126444140446} is an apocalyptic number.

13126444140446 is a deficient number, since it is larger than the sum of its proper divisors (11111341433122).

13126444140446 is a wasteful number, since it uses less digits than its factorization.

13126444140446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12947156.

The product of its (nonzero) digits is 884736, while the sum is 44.

The spelling of 13126444140446 in words is "thirteen trillion, one hundred twenty-six billion, four hundred forty-four million, one hundred forty thousand, four hundred forty-six".