135284253122 has 6 divisors (see below), whose sum is σ = 202927159929. Its totient is φ = 67641866480.

The previous prime is 135284253067. The next prime is 135284253149. The reversal of 135284253122 is 221352482531.

It can be written as a sum of positive squares in 2 ways, for example, as 109873023841 + 25411229281 = 331471^2 + 159409^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=260081.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 390122 + ... + 650202.

Almost surely, 2^135284253122 is an apocalyptic number.

135284253122 is a deficient number, since it is larger than the sum of its proper divisors (67642906807).

135284253122 is an frugal number, since it uses more digits than its factorization.

135284253122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520164 (or 260083 counting only the distinct ones).

The product of its digits is 115200, while the sum is 38.

The spelling of 135284253122 in words is "one hundred thirty-five billion, two hundred eighty-four million, two hundred fifty-three thousand, one hundred twenty-two".