135356213 has 2 divisors, whose sum is σ = 135356214. Its totient is φ = 135356212.

The previous prime is 135356201. The next prime is 135356231. The reversal of 135356213 is 312653531.

Together with next prime (135356231) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 111365809 + 23990404 = 10553^2 + 4898^2 .

It is a cyclic number.

It is not a de Polignac number, because 135356213 - 2⁴ = 135356197 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135356713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67678106 + 67678107.

It is an arithmetic number, because the mean of its divisors is an integer number (67678107).

Almost surely, 2^135356213 is an apocalyptic number.

It is an amenable number.

135356213 is a deficient number, since it is larger than the sum of its proper divisors (1).

135356213 is an equidigital number, since it uses as much as digits as its factorization.

135356213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8100, while the sum is 29.

The square root of 135356213 is about 11634.2689069834. The cubic root of 135356213 is about 513.4435845255.

The spelling of 135356213 in words is "one hundred thirty-five million, three hundred fifty-six thousand, two hundred thirteen".