135263618 has 12 divisors (see below), whose sum is σ = 236021382. Its totient is φ = 57970080.

The previous prime is 135263593. The next prime is 135263629. The reversal of 135263618 is 816362531.

135263618 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 119399329 + 15864289 = 10927^2 + 3983^2 .

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

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 5 ways as a sum of consecutive naturals, for example, 690023 + ... + 690218.

Almost surely, 2^135263618 is an apocalyptic number.

135263618 is a deficient number, since it is larger than the sum of its proper divisors (100757764).

135263618 is a wasteful number, since it uses less digits than its factorization.

135263618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1380257 (or 1380250 counting only the distinct ones).

The product of its digits is 25920, while the sum is 35.

The square root of 135263618 is about 11630.2888184258. The cubic root of 135263618 is about 513.3264783290.

The spelling of 135263618 in words is "one hundred thirty-five million, two hundred sixty-three thousand, six hundred eighteen".