13645653135 has 16 divisors (see below), whose sum is σ = 21907567584. Its totient is φ = 7252840832.

The previous prime is 13645653113. The next prime is 13645653179. The reversal of 13645653135 is 53135654631.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 13645653135 - 2³⁰ = 12571911311 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1548012 + ... + 1556801.

It is an arithmetic number, because the mean of its divisors is an integer number (1369222974).

Almost surely, 2^13645653135 is an apocalyptic number.

13645653135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13645653135 is a deficient number, since it is larger than the sum of its proper divisors (8261914449).

13645653135 is a wasteful number, since it uses less digits than its factorization.

13645653135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3105114.

The product of its digits is 486000, while the sum is 42.

The spelling of 13645653135 in words is "thirteen billion, six hundred forty-five million, six hundred fifty-three thousand, one hundred thirty-five".