135799166 has 4 divisors (see below), whose sum is σ = 203698752. Its totient is φ = 67899582.

The previous prime is 135799163. The next prime is 135799193. The reversal of 135799166 is 661997531.

It is a happy number.

135799166 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 135799166.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135799163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33949790 + ... + 33949793.

It is an arithmetic number, because the mean of its divisors is an integer number (50924688).

Almost surely, 2^135799166 is an apocalyptic number.

135799166 is a deficient number, since it is larger than the sum of its proper divisors (67899586).

135799166 is an equidigital number, since it uses as much as digits as its factorization.

135799166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67899585.

The product of its digits is 306180, while the sum is 47.

The square root of 135799166 is about 11653.2899217345. The cubic root of 135799166 is about 514.0030557939.

The spelling of 135799166 in words is "one hundred thirty-five million, seven hundred ninety-nine thousand, one hundred sixty-six".