135696308618 has 32 divisors (see below), whose sum is σ = 226757905920. Its totient is φ = 60478822080.

The previous prime is 135696308611. The next prime is 135696308623. The reversal of 135696308618 is 816803696531.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (135696308611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 196148 + ... + 556656.

It is an arithmetic number, because the mean of its divisors is an integer number (7086184560).

Almost surely, 2^135696308618 is an apocalyptic number.

135696308618 is a deficient number, since it is larger than the sum of its proper divisors (91061597302).

135696308618 is a wasteful number, since it uses less digits than its factorization.

135696308618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361022.

The product of its (nonzero) digits is 5598720, while the sum is 56.

The spelling of 135696308618 in words is "one hundred thirty-five billion, six hundred ninety-six million, three hundred eight thousand, six hundred eighteen".