135325213 has 2 divisors, whose sum is σ = 135325214. Its totient is φ = 135325212.

The previous prime is 135325189. The next prime is 135325217. The reversal of 135325213 is 312523531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 119180889 + 16144324 = 10917^2 + 4018^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-135325213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135325217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67662606 + 67662607.

It is an arithmetic number, because the mean of its divisors is an integer number (67662607).

Almost surely, 2^135325213 is an apocalyptic number.

It is an amenable number.

135325213 is a deficient number, since it is larger than the sum of its proper divisors (1).

135325213 is an equidigital number, since it uses as much as digits as its factorization.

135325213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2700, while the sum is 25.

The square root of 135325213 is about 11632.9365596138. The cubic root of 135325213 is about 513.4043843389.

Adding to 135325213 its reverse (312523531), we get a palindrome (447848744).

The spelling of 135325213 in words is "one hundred thirty-five million, three hundred twenty-five thousand, two hundred thirteen".