13171278338 has 8 divisors (see below), whose sum is σ = 19757466000. Its totient is φ = 6585456340.

The previous prime is 13171278317. The next prime is 13171278347. The reversal of 13171278338 is 83387217131.

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31913 + ... + 165411.

It is an arithmetic number, because the mean of its divisors is an integer number (2469683250).

Almost surely, 2^13171278338 is an apocalyptic number.

13171278338 is a deficient number, since it is larger than the sum of its proper divisors (6586187662).

13171278338 is a wasteful number, since it uses less digits than its factorization.

13171278338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182832.

The product of its digits is 169344, while the sum is 44.

The spelling of 13171278338 in words is "thirteen billion, one hundred seventy-one million, two hundred seventy-eight thousand, three hundred thirty-eight".