13204140143 has 4 divisors (see below), whose sum is σ = 13207703880. Its totient is φ = 13200576408.

The previous prime is 13204140121. The next prime is 13204140151. The reversal of 13204140143 is 34104140231.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13204140143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13204140113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1776305 + ... + 1783722.

It is an arithmetic number, because the mean of its divisors is an integer number (3301925970).

Almost surely, 2^13204140143 is an apocalyptic number.

13204140143 is a deficient number, since it is larger than the sum of its proper divisors (3563737).

13204140143 is an equidigital number, since it uses as much as digits as its factorization.

13204140143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3563736.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 13204140143 its reverse (34104140231), we get a palindrome (47308280374).

The spelling of 13204140143 in words is "thirteen billion, two hundred four million, one hundred forty thousand, one hundred forty-three".