135841866 has 16 divisors (see below), whose sum is σ = 287665344. Its totient is φ = 42617024.

The previous prime is 135841861. The next prime is 135841873. The reversal of 135841866 is 668148531.

It is not an unprimeable number, because it can be changed into a prime (135841861) 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, 665790 + ... + 665993.

It is an arithmetic number, because the mean of its divisors is an integer number (17979084).

Almost surely, 2^135841866 is an apocalyptic number.

135841866 is an abundant number, since it is smaller than the sum of its proper divisors (151823478).

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

135841866 is a wasteful number, since it uses less digits than its factorization.

135841866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1331805.

The product of its digits is 138240, while the sum is 42.

The square root of 135841866 is about 11655.1218783846. The cubic root of 135841866 is about 514.0569236517.

The spelling of 135841866 in words is "one hundred thirty-five million, eight hundred forty-one thousand, eight hundred sixty-six".