135225043 has 2 divisors, whose sum is σ = 135225044. Its totient is φ = 135225042.

The previous prime is 135225031. The next prime is 135225049. The reversal of 135225043 is 340522531.

It is a strong prime.

It is an emirp because it is prime and its reverse (340522531) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-135225043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 135224999 and 135225017.

It is not a weakly prime, because it can be changed into another prime (135225049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67612521 + 67612522.

It is an arithmetic number, because the mean of its divisors is an integer number (67612522).

Almost surely, 2^135225043 is an apocalyptic number.

135225043 is a deficient number, since it is larger than the sum of its proper divisors (1).

135225043 is an equidigital number, since it uses as much as digits as its factorization.

135225043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 135225043 is about 11628.6303148737. The cubic root of 135225043 is about 513.2776762149.

Adding to 135225043 its reverse (340522531), we get a palindrome (475747574).

The spelling of 135225043 in words is "one hundred thirty-five million, two hundred twenty-five thousand, forty-three".