135225205337 has 2 divisors, whose sum is σ = 135225205338. Its totient is φ = 135225205336.

The previous prime is 135225205333. The next prime is 135225205351. The reversal of 135225205337 is 733502522531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 124719160336 + 10506045001 = 353156^2 + 102499^2 .

It is an emirp because it is prime and its reverse (733502522531) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 135225205337 - 2² = 135225205333 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 135225205337.

It is not a weakly prime, because it can be changed into another prime (135225205333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67612602668 + 67612602669.

It is an arithmetic number, because the mean of its divisors is an integer number (67612602669).

Almost surely, 2^135225205337 is an apocalyptic number.

It is an amenable number.

135225205337 is a deficient number, since it is larger than the sum of its proper divisors (1).

135225205337 is an equidigital number, since it uses as much as digits as its factorization.

135225205337 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 189000, while the sum is 38.

Adding to 135225205337 its reverse (733502522531), we get a palindrome (868727727868).

The spelling of 135225205337 in words is "one hundred thirty-five billion, two hundred twenty-five million, two hundred five thousand, three hundred thirty-seven".