135067566 has 16 divisors (see below), whose sum is σ = 275883264. Its totient is φ = 44064504.

The previous prime is 135067549. The next prime is 135067573. The reversal of 135067566 is 665760531.

It is a congruent 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, 239200 + ... + 239763.

It is an arithmetic number, because the mean of its divisors is an integer number (17242704).

Almost surely, 2^135067566 is an apocalyptic number.

135067566 is an abundant number, since it is smaller than the sum of its proper divisors (140815698).

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

135067566 is a wasteful number, since it uses less digits than its factorization.

135067566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479015.

The product of its (nonzero) digits is 113400, while the sum is 39.

The square root of 135067566 is about 11621.8572526081. The cubic root of 135067566 is about 513.0783521255.

The spelling of 135067566 in words is "one hundred thirty-five million, sixty-seven thousand, five hundred sixty-six".