135364249 has 2 divisors, whose sum is σ = 135364250. Its totient is φ = 135364248.

The previous prime is 135364219. The next prime is 135364253. The reversal of 135364249 is 942463531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 125328025 + 10036224 = 11195^2 + 3168^2 .

It is an emirp because it is prime and its reverse (942463531) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 135364249 - 2⁷ = 135364121 is a prime.

It is not a weakly prime, because it can be changed into another prime (135364219) 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, 67682124 + 67682125.

It is an arithmetic number, because the mean of its divisors is an integer number (67682125).

Almost surely, 2^135364249 is an apocalyptic number.

It is an amenable number.

135364249 is a deficient number, since it is larger than the sum of its proper divisors (1).

135364249 is an equidigital number, since it uses as much as digits as its factorization.

135364249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 77760, while the sum is 37.

The square root of 135364249 is about 11634.6142609027. The cubic root of 135364249 is about 513.4537452486.

The spelling of 135364249 in words is "one hundred thirty-five million, three hundred sixty-four thousand, two hundred forty-nine".