13671571238 has 16 divisors (see below), whose sum is σ = 22144070256. Its totient is φ = 6293034720.

The previous prime is 13671571187. The next prime is 13671571313. The reversal of 13671571238 is 83217517631.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

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, 695168 + ... + 714563.

It is an arithmetic number, because the mean of its divisors is an integer number (1384004391).

Almost surely, 2^13671571238 is an apocalyptic number.

13671571238 is a deficient number, since it is larger than the sum of its proper divisors (8472499018).

13671571238 is a wasteful number, since it uses less digits than its factorization.

13671571238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1410119.

The product of its digits is 211680, while the sum is 44.

The spelling of 13671571238 in words is "thirteen billion, six hundred seventy-one million, five hundred seventy-one thousand, two hundred thirty-eight".