135305050321 has 16 divisors (see below), whose sum is σ = 156969032704. Its totient is φ = 114225330384.

The previous prime is 135305050277. The next prime is 135305050337. The reversal of 135305050321 is 123050503531.

It is a cyclic number.

It is not a de Polignac number, because 135305050321 - 2⁷ = 135305050193 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 135305050321.

It is not an unprimeable number, because it can be changed into a prime (135305050351) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 3178846 + ... + 3221128.

It is an arithmetic number, because the mean of its divisors is an integer number (9810564544).

Almost surely, 2^135305050321 is an apocalyptic number.

It is an amenable number.

135305050321 is a deficient number, since it is larger than the sum of its proper divisors (21663982383).

135305050321 is an equidigital number, since it uses as much as digits as its factorization.

135305050321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49180.

The product of its (nonzero) digits is 6750, while the sum is 28.

Adding to 135305050321 its reverse (123050503531), we get a palindrome (258355553852).

The spelling of 135305050321 in words is "one hundred thirty-five billion, three hundred five million, fifty thousand, three hundred twenty-one".