13187353143 has 16 divisors (see below), whose sum is σ = 17674751360. Its totient is φ = 8745866784.

The previous prime is 13187353139. The next prime is 13187353171. The reversal of 13187353143 is 34135378131.

It is a happy number.

It is not a de Polignac number, because 13187353143 - 2² = 13187353139 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 (13187353103) 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, 507768 + ... + 533106.

It is an arithmetic number, because the mean of its divisors is an integer number (1104671960).

Almost surely, 2^13187353143 is an apocalyptic number.

13187353143 is a deficient number, since it is larger than the sum of its proper divisors (4487398217).

13187353143 is a wasteful number, since it uses less digits than its factorization.

13187353143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26238.

The product of its digits is 90720, while the sum is 39.

The spelling of 13187353143 in words is "thirteen billion, one hundred eighty-seven million, three hundred fifty-three thousand, one hundred forty-three".