1300135534657 has 4 divisors (see below), whose sum is σ = 1300181103700. Its totient is φ = 1300089965616.

The previous prime is 1300135534619. The next prime is 1300135534673. The reversal of 1300135534657 is 7564355310031.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 478821096961 + 821314437696 = 691969^2 + 906264^2 .

It is a cyclic number.

It is not a de Polignac number, because 1300135534657 - 2¹¹ = 1300135532609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1300135534157) 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 3 ways as a sum of consecutive naturals, for example, 22741698 + ... + 22798795.

It is an arithmetic number, because the mean of its divisors is an integer number (325045275925).

Almost surely, 2^{1300135534657} is an apocalyptic number.

It is an amenable number.

1300135534657 is a deficient number, since it is larger than the sum of its proper divisors (45569043).

1300135534657 is an equidigital number, since it uses as much as digits as its factorization.

1300135534657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45569042.

The product of its (nonzero) digits is 567000, while the sum is 43.

The spelling of 1300135534657 in words is "one trillion, three hundred billion, one hundred thirty-five million, five hundred thirty-four thousand, six hundred fifty-seven".