13936085867 has 16 divisors (see below), whose sum is σ = 15882531840. Its totient is φ = 12112744800.

The previous prime is 13936085843. The next prime is 13936085873. The reversal of 13936085867 is 76858063931.

It is a cyclic number.

It is not a de Polignac number, because 13936085867 - 2¹² = 13936081771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13936085837) 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, 217892 + ... + 274497.

It is an arithmetic number, because the mean of its divisors is an integer number (992658240).

Almost surely, 2^13936085867 is an apocalyptic number.

13936085867 is a deficient number, since it is larger than the sum of its proper divisors (1946445973).

13936085867 is a wasteful number, since it uses less digits than its factorization.

13936085867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492514.

The product of its (nonzero) digits is 6531840, while the sum is 56.

The spelling of 13936085867 in words is "thirteen billion, nine hundred thirty-six million, eighty-five thousand, eight hundred sixty-seven".