134866386 has 24 divisors (see below), whose sum is σ = 293529600. Its totient is φ = 44752536.

The previous prime is 134866373. The next prime is 134866387. The reversal of 134866386 is 683668431.

134866386 is a `hidden beast` number, since 1 + 3 + 4 + 8 + 6 + 638 + 6 = 666.

It is not an unprimeable number, because it can be changed into a prime (134866387) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12786 + ... + 20813.

It is an arithmetic number, because the mean of its divisors is an integer number (12230400).

Almost surely, 2^134866386 is an apocalyptic number.

134866386 is an abundant number, since it is smaller than the sum of its proper divisors (158663214).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

134866386 is a wasteful number, since it uses less digits than its factorization.

134866386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33830 (or 33827 counting only the distinct ones).

The product of its digits is 497664, while the sum is 45.

The square root of 134866386 is about 11613.1987841421. The cubic root of 134866386 is about 512.8234861181.

The spelling of 134866386 in words is "one hundred thirty-four million, eight hundred sixty-six thousand, three hundred eighty-six".