135588666 has 16 divisors (see below), whose sum is σ = 271685088. Its totient is φ = 45111600.

The previous prime is 135588641. The next prime is 135588671. The reversal of 135588666 is 666885531.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17640 + ... + 24131.

It is an arithmetic number, because the mean of its divisors is an integer number (16980318).

Almost surely, 2^135588666 is an apocalyptic number.

135588666 is an abundant number, since it is smaller than the sum of its proper divisors (136096422).

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

135588666 is a wasteful number, since it uses less digits than its factorization.

135588666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42317.

The product of its digits is 1036800, while the sum is 48.

The square root of 135588666 is about 11644.2546347974. The cubic root of 135588666 is about 513.7373359574.

The spelling of 135588666 in words is "one hundred thirty-five million, five hundred eighty-eight thousand, six hundred sixty-six".