13201305202135 has 4 divisors (see below), whose sum is σ = 15841566242568. Its totient is φ = 10561044161704.

The previous prime is 13201305202103. The next prime is 13201305202171. The reversal of 13201305202135 is 53120250310231.

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

It is a cyclic number.

It is not a de Polignac number, because 13201305202135 - 2⁵ = 13201305202103 is a prime.

It is a super-2 number, since 2×13201305202135² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

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 3 ways as a sum of consecutive naturals, for example, 1320130520209 + ... + 1320130520218.

It is an arithmetic number, because the mean of its divisors is an integer number (3960391560642).

Almost surely, 2^{13201305202135} is an apocalyptic number.

13201305202135 is a deficient number, since it is larger than the sum of its proper divisors (2640261040433).

13201305202135 is an equidigital number, since it uses as much as digits as its factorization.

13201305202135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2640261040432.

The product of its (nonzero) digits is 5400, while the sum is 28.

Adding to 13201305202135 its reverse (53120250310231), we get a palindrome (66321555512366).

The spelling of 13201305202135 in words is "thirteen trillion, two hundred one billion, three hundred five million, two hundred two thousand, one hundred thirty-five".