13036135021 has 16 divisors (see below), whose sum is σ = 16191683200. Its totient is φ = 10219670208.

The previous prime is 13036135009. The next prime is 13036135067. The reversal of 13036135021 is 12053163031.

It is a cyclic number.

It is not a de Polignac number, because 13036135021 - 2⁷ = 13036134893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13036135081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 647211 + ... + 667048.

It is an arithmetic number, because the mean of its divisors is an integer number (1011980200).

Almost surely, 2^13036135021 is an apocalyptic number.

It is an amenable number.

13036135021 is a deficient number, since it is larger than the sum of its proper divisors (3155548179).

13036135021 is a wasteful number, since it uses less digits than its factorization.

13036135021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1314388.

The product of its (nonzero) digits is 1620, while the sum is 25.

Adding to 13036135021 its reverse (12053163031), we get a palindrome (25089298052).

The spelling of 13036135021 in words is "thirteen billion, thirty-six million, one hundred thirty-five thousand, twenty-one".