135508303618 has 16 divisors (see below), whose sum is σ = 204916291776. Its totient is φ = 67204527120.

The previous prime is 135508303613. The next prime is 135508303627. The reversal of 135508303618 is 816303805531.

It is not an unprimeable number, because it can be changed into a prime (135508303613) 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, 249213 + ... + 577168.

It is an arithmetic number, because the mean of its divisors is an integer number (12807268236).

Almost surely, 2^135508303618 is an apocalyptic number.

135508303618 is a deficient number, since it is larger than the sum of its proper divisors (69407988158).

135508303618 is a wasteful number, since it uses less digits than its factorization.

135508303618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 827049.

The product of its (nonzero) digits is 259200, while the sum is 43.

The spelling of 135508303618 in words is "one hundred thirty-five billion, five hundred eight million, three hundred three thousand, six hundred eighteen".