135069123306 has 32 divisors (see below), whose sum is σ = 291010503168. Its totient is φ = 41546531520.

The previous prime is 135069123289. The next prime is 135069123307. The reversal of 135069123306 is 603321960531.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (135069123307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26365 + ... + 520416.

It is an arithmetic number, because the mean of its divisors is an integer number (9094078224).

Almost surely, 2^135069123306 is an apocalyptic number.

135069123306 is an abundant number, since it is smaller than the sum of its proper divisors (155941379862).

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

135069123306 is a wasteful number, since it uses less digits than its factorization.

135069123306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549966.

The product of its (nonzero) digits is 87480, while the sum is 39.

The spelling of 135069123306 in words is "one hundred thirty-five billion, sixty-nine million, one hundred twenty-three thousand, three hundred six".