135169323618 has 16 divisors (see below), whose sum is σ = 308958454080. Its totient is φ = 38619806736.

The previous prime is 135169323587. The next prime is 135169323659. The reversal of 135169323618 is 816323961531.

135169323618 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×135169323618² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1609158573 + ... + 1609158656.

It is an arithmetic number, because the mean of its divisors is an integer number (19309903380).

Almost surely, 2^135169323618 is an apocalyptic number.

135169323618 is an abundant number, since it is smaller than the sum of its proper divisors (173789130462).

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

135169323618 is a wasteful number, since it uses less digits than its factorization.

135169323618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3218317241.

The product of its digits is 699840, while the sum is 48.

It can be divided in two parts, 1351693 and 23618, that added together give a triangular number (1375311 = T₁₆₅₈).

The spelling of 135169323618 in words is "one hundred thirty-five billion, one hundred sixty-nine million, three hundred twenty-three thousand, six hundred eighteen".