1244366134513 has 8 divisors (see below), whose sum is σ = 1278012603560. Its totient is φ = 1210720452480.

The previous prime is 1244366134471. The next prime is 1244366134523. The reversal of 1244366134513 is 3154316634421.

It can be written as a sum of positive squares in 4 ways, for example, as 674932900849 + 569433233664 = 821543^2 + 754608^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1244366134513 - 2²⁵ = 1244332580081 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1244366134513.

It is not an unprimeable number, because it can be changed into a prime (1244366134523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4509853 + ... + 4777813.

It is an arithmetic number, because the mean of its divisors is an integer number (159751575445).

Almost surely, 2^{1244366134513} is an apocalyptic number.

It is an amenable number.

1244366134513 is a deficient number, since it is larger than the sum of its proper divisors (33646469047).

1244366134513 is a wasteful number, since it uses less digits than its factorization.

1244366134513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393507.

The product of its digits is 622080, while the sum is 43.

The spelling of 1244366134513 in words is "one trillion, two hundred forty-four billion, three hundred sixty-six million, one hundred thirty-four thousand, five hundred thirteen".