13075231657135 has 4 divisors (see below), whose sum is σ = 15690277988568. Its totient is φ = 10460185325704.

The previous prime is 13075231657121. The next prime is 13075231657207. The reversal of 13075231657135 is 53175613257031.

13075231657135 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13075231657135 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1307523165709 + ... + 1307523165718.

It is an arithmetic number, because the mean of its divisors is an integer number (3922569497142).

Almost surely, 2^{13075231657135} is an apocalyptic number.

13075231657135 is a deficient number, since it is larger than the sum of its proper divisors (2615046331433).

13075231657135 is an equidigital number, since it uses as much as digits as its factorization.

13075231657135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2615046331432.

The product of its (nonzero) digits is 1984500, while the sum is 49.

The spelling of 13075231657135 in words is "thirteen trillion, seventy-five billion, two hundred thirty-one million, six hundred fifty-seven thousand, one hundred thirty-five".