13666135 has 32 divisors (see below), whose sum is σ = 19677312. Its totient is φ = 8916480.

The previous prime is 13666127. The next prime is 13666189. The reversal of 13666135 is 53166631.

13666135 is digitally balanced in base 2 and base 8, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13666135 - 2³ = 13666127 is a prime.

It is a Duffinian number.

13666135 is strictly pandigital in base 8.

It is a junction number, because it is equal to n+sod(n) for n = 13666097 and 13666106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 78909 + ... + 79081.

It is an arithmetic number, because the mean of its divisors is an integer number (614916).

Almost surely, 2^13666135 is an apocalyptic number.

13666135 is a deficient number, since it is larger than the sum of its proper divisors (6011177).

13666135 is a wasteful number, since it uses less digits than its factorization.

13666135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283.

The product of its digits is 9720, while the sum is 31.

The square root of 13666135 is about 3696.7735932837. The cubic root of 13666135 is about 239.0829296195.

The spelling of 13666135 in words is "thirteen million, six hundred sixty-six thousand, one hundred thirty-five".