13183140865 has 8 divisors (see below), whose sum is σ = 15821176320. Its totient is φ = 10545574512.

The previous prime is 13183140809. The next prime is 13183140913. The reversal of 13183140865 is 56804138131.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13183140865 - 2¹³ = 13183132673 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52159 + ... + 170548.

It is an arithmetic number, because the mean of its divisors is an integer number (1977647040).

Almost surely, 2^13183140865 is an apocalyptic number.

It is an amenable number.

13183140865 is a deficient number, since it is larger than the sum of its proper divisors (2638035455).

13183140865 is a wasteful number, since it uses less digits than its factorization.

13183140865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234551.

The product of its (nonzero) digits is 69120, while the sum is 40.

Adding to 13183140865 its reverse (56804138131), we get a palindrome (69987278996).

The spelling of 13183140865 in words is "thirteen billion, one hundred eighty-three million, one hundred forty thousand, eight hundred sixty-five".