135166666111 has 8 divisors (see below), whose sum is σ = 138053793024. Its totient is φ = 132280007640.

The previous prime is 135166666099. The next prime is 135166666127. The reversal of 135166666111 is 111666661531.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 135166666111 - 2⁵ = 135166666079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135166666211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 500556 + ... + 721726.

It is an arithmetic number, because the mean of its divisors is an integer number (17256724128).

Almost surely, 2^135166666111 is an apocalyptic number.

135166666111 is a deficient number, since it is larger than the sum of its proper divisors (2887126913).

135166666111 is a wasteful number, since it uses less digits than its factorization.

135166666111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234221.

The product of its digits is 116640, while the sum is 43.

The spelling of 135166666111 in words is "one hundred thirty-five billion, one hundred sixty-six million, six hundred sixty-six thousand, one hundred eleven".