135248647 has 2 divisors, whose sum is σ = 135248648. Its totient is φ = 135248646.

The previous prime is 135248639. The next prime is 135248677. The reversal of 135248647 is 746842531.

135248647 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 135248647 - 2³ = 135248639 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 (135248677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67624323 + 67624324.

It is an arithmetic number, because the mean of its divisors is an integer number (67624324).

Almost surely, 2^135248647 is an apocalyptic number.

135248647 is a deficient number, since it is larger than the sum of its proper divisors (1).

135248647 is an equidigital number, since it uses as much as digits as its factorization.

135248647 is an evil number, because the sum of its binary digits is even.

The product of its digits is 161280, while the sum is 40.

The square root of 135248647 is about 11629.6451794541. The cubic root of 135248647 is about 513.3075392766.

The spelling of 135248647 in words is "one hundred thirty-five million, two hundred forty-eight thousand, six hundred forty-seven".