136854666 has 24 divisors (see below), whose sum is σ = 319328100. Its totient is φ = 42109056.

The previous prime is 136854649. The next prime is 136854673. The reversal of 136854666 is 666458631.

It can be written as a sum of positive squares in 2 ways, for example, as 136399041 + 455625 = 11679^2 + 675^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 292191 + ... + 292658.

Almost surely, 2^136854666 is an apocalyptic number.

136854666 is an abundant number, since it is smaller than the sum of its proper divisors (182473434).

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

136854666 is a wasteful number, since it uses less digits than its factorization.

136854666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 584870 (or 584867 counting only the distinct ones).

The product of its digits is 622080, while the sum is 45.

The square root of 136854666 is about 11698.4899025473. The cubic root of 136854666 is about 515.3313178956.

The spelling of 136854666 in words is "one hundred thirty-six million, eight hundred fifty-four thousand, six hundred sixty-six".