13165134245 has 4 divisors (see below), whose sum is σ = 15798161100. Its totient is φ = 10532107392.

The previous prime is 13165134209. The next prime is 13165134287. The reversal of 13165134245 is 54243156131.

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 7981278244 + 5183856001 = 89338^2 + 71999^2 .

It is a cyclic number.

It is not a de Polignac number, because 13165134245 - 2¹⁰ = 13165133221 is a prime.

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, 1316513420 + ... + 1316513429.

It is an arithmetic number, because the mean of its divisors is an integer number (3949540275).

Almost surely, 2^13165134245 is an apocalyptic number.

It is an amenable number.

13165134245 is a deficient number, since it is larger than the sum of its proper divisors (2633026855).

13165134245 is an equidigital number, since it uses as much as digits as its factorization.

13165134245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2633026854.

The product of its digits is 43200, while the sum is 35.

The spelling of 13165134245 in words is "thirteen billion, one hundred sixty-five million, one hundred thirty-four thousand, two hundred forty-five".