135064243 has 2 divisors, whose sum is σ = 135064244. Its totient is φ = 135064242.

The previous prime is 135064213. The next prime is 135064249. The reversal of 135064243 is 342460531.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-135064243 is a prime.

It is not a weakly prime, because it can be changed into another prime (135064249) 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, 67532121 + 67532122.

It is an arithmetic number, because the mean of its divisors is an integer number (67532122).

Almost surely, 2^135064243 is an apocalyptic number.

135064243 is a deficient number, since it is larger than the sum of its proper divisors (1).

135064243 is an equidigital number, since it uses as much as digits as its factorization.

135064243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 135064243 is about 11621.7142883483. The cubic root of 135064243 is about 513.0741444206.

The spelling of 135064243 in words is "one hundred thirty-five million, sixty-four thousand, two hundred forty-three".