135303247 has 2 divisors, whose sum is σ = 135303248. Its totient is φ = 135303246.

The previous prime is 135303211. The next prime is 135303253. The reversal of 135303247 is 742303531.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-135303247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135303257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67651623 + 67651624.

It is an arithmetic number, because the mean of its divisors is an integer number (67651624).

Almost surely, 2^135303247 is an apocalyptic number.

135303247 is a deficient number, since it is larger than the sum of its proper divisors (1).

135303247 is an equidigital number, since it uses as much as digits as its factorization.

135303247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7560, while the sum is 28.

The square root of 135303247 is about 11631.9923916756. The cubic root of 135303247 is about 513.3766042215.

Adding to 135303247 its reverse (742303531), we get a palindrome (877606778).

The spelling of 135303247 in words is "one hundred thirty-five million, three hundred three thousand, two hundred forty-seven".