1304128802513 has 32 divisors (see below), whose sum is σ = 1435463285760. Its totient is φ = 1180702111680.

The previous prime is 1304128802497. The next prime is 1304128802533. The reversal of 1304128802513 is 3152088214031.

It is a cyclic number.

It is not a de Polignac number, because 1304128802513 - 2⁴ = 1304128802497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1304128802533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5824370 + ... + 6044132.

It is an arithmetic number, because the mean of its divisors is an integer number (44858227680).

Almost surely, 2^{1304128802513} is an apocalyptic number.

It is an amenable number.

1304128802513 is a deficient number, since it is larger than the sum of its proper divisors (131334483247).

1304128802513 is a wasteful number, since it uses less digits than its factorization.

1304128802513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219989.

The product of its (nonzero) digits is 46080, while the sum is 38.

The spelling of 1304128802513 in words is "one trillion, three hundred four billion, one hundred twenty-eight million, eight hundred two thousand, five hundred thirteen".