135225205338 has 32 divisors (see below), whose sum is σ = 280286963712. Its totient is φ = 43447230000.

The previous prime is 135225205337. The next prime is 135225205351. The reversal of 135225205338 is 833502522531.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 135225205296 and 135225205305.

It is not an unprimeable number, because it can be changed into a prime (135225205333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1401556 + ... + 1494927.

It is an arithmetic number, because the mean of its divisors is an integer number (8758967616).

Almost surely, 2^135225205338 is an apocalyptic number.

135225205338 is an abundant number, since it is smaller than the sum of its proper divisors (145061758374).

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

135225205338 is a wasteful number, since it uses less digits than its factorization.

135225205338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2896770.

The product of its (nonzero) digits is 216000, while the sum is 39.

Adding to 135225205338 its reverse (833502522531), we get a palindrome (968727727869).

The spelling of 135225205338 in words is "one hundred thirty-five billion, two hundred twenty-five million, two hundred five thousand, three hundred thirty-eight".