135504709 has 2 divisors, whose sum is σ = 135504710. Its totient is φ = 135504708.

The previous prime is 135504703. The next prime is 135504749. The reversal of 135504709 is 907405531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 128187684 + 7317025 = 11322^2 + 2705^2 .

It is an emirp because it is prime and its reverse (907405531) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 135504709 - 2²⁷ = 1286981 is a prime.

It is a super-2 number, since 2×135504709² = 36723052322349362, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135504703) 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, 67752354 + 67752355.

It is an arithmetic number, because the mean of its divisors is an integer number (67752355).

Almost surely, 2^135504709 is an apocalyptic number.

It is an amenable number.

135504709 is a deficient number, since it is larger than the sum of its proper divisors (1).

135504709 is an equidigital number, since it uses as much as digits as its factorization.

135504709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18900, while the sum is 34.

The square root of 135504709 is about 11640.6489939350. The cubic root of 135504709 is about 513.6312780488.

The spelling of 135504709 in words is "one hundred thirty-five million, five hundred four thousand, seven hundred nine".