13143923138 has 16 divisors (see below), whose sum is σ = 20013376320. Its totient is φ = 6472981200.

The previous prime is 13143923053. The next prime is 13143923161. The reversal of 13143923138 is 83132934131.

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, 99653 + ... + 190311.

It is an arithmetic number, because the mean of its divisors is an integer number (1250836020).

Almost surely, 2^13143923138 is an apocalyptic number.

13143923138 is a deficient number, since it is larger than the sum of its proper divisors (6869453182).

13143923138 is a wasteful number, since it uses less digits than its factorization.

13143923138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91753.

The product of its digits is 46656, while the sum is 38.

The spelling of 13143923138 in words is "thirteen billion, one hundred forty-three million, nine hundred twenty-three thousand, one hundred thirty-eight".