135273866 has 16 divisors (see below), whose sum is σ = 249736704. Its totient is φ = 53514864.

The previous prime is 135273847. The next prime is 135273881. The reversal of 135273866 is 668372531.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 371450 + ... + 371813.

It is an arithmetic number, because the mean of its divisors is an integer number (15608544).

Almost surely, 2^135273866 is an apocalyptic number.

135273866 is a deficient number, since it is larger than the sum of its proper divisors (114462838).

135273866 is a wasteful number, since it uses less digits than its factorization.

135273866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 743285.

The product of its digits is 181440, while the sum is 41.

The square root of 135273866 is about 11630.7293838349. The cubic root of 135273866 is about 513.3394417481.

The spelling of 135273866 in words is "one hundred thirty-five million, two hundred seventy-three thousand, eight hundred sixty-six".