135323231305 has 32 divisors (see below), whose sum is σ = 166829414400. Its totient is φ = 105345157632.

The previous prime is 135323231293. The next prime is 135323231321. The reversal of 135323231305 is 503132323531.

It is not a de Polignac number, because 135323231305 - 2¹⁷ = 135323100233 is a prime.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 11138064 + ... + 11150206.

It is an arithmetic number, because the mean of its divisors is an integer number (5213419200).

Almost surely, 2^135323231305 is an apocalyptic number.

It is an amenable number.

135323231305 is a deficient number, since it is larger than the sum of its proper divisors (31506183095).

135323231305 is a wasteful number, since it uses less digits than its factorization.

135323231305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12633.

The product of its (nonzero) digits is 24300, while the sum is 31.

Adding to 135323231305 its reverse (503132323531), we get a palindrome (638455554836).

The spelling of 135323231305 in words is "one hundred thirty-five billion, three hundred twenty-three million, two hundred thirty-one thousand, three hundred five".