135122303253 has 64 divisors (see below), whose sum is σ = 212374536192. Its totient is φ = 74812792320.

The previous prime is 135122303221. The next prime is 135122303263. The reversal of 135122303253 is 352303221531.

It is a happy number.

It is not a de Polignac number, because 135122303253 - 2⁵ = 135122303221 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 135122303253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135122303213) 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 63 ways as a sum of consecutive naturals, for example, 153025950 + ... + 153026832.

It is an arithmetic number, because the mean of its divisors is an integer number (3318352128).

Almost surely, 2^135122303253 is an apocalyptic number.

It is an amenable number.

135122303253 is a deficient number, since it is larger than the sum of its proper divisors (77252232939).

135122303253 is a wasteful number, since it uses less digits than its factorization.

135122303253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1954.

The product of its (nonzero) digits is 16200, while the sum is 30.

Adding to 135122303253 its reverse (352303221531), we get a palindrome (487425524784).

The spelling of 135122303253 in words is "one hundred thirty-five billion, one hundred twenty-two million, three hundred three thousand, two hundred fifty-three".