135450647 has 2 divisors, whose sum is σ = 135450648. Its totient is φ = 135450646.

The previous prime is 135450643. The next prime is 135450661. The reversal of 135450647 is 746054531.

It is a weak prime.

It is an emirp because it is prime and its reverse (746054531) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 135450647 - 2² = 135450643 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 (135450643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67725323 + 67725324.

It is an arithmetic number, because the mean of its divisors is an integer number (67725324).

Almost surely, 2^135450647 is an apocalyptic number.

135450647 is a deficient number, since it is larger than the sum of its proper divisors (1).

135450647 is an equidigital number, since it uses as much as digits as its factorization.

135450647 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 50400, while the sum is 35.

The square root of 135450647 is about 11638.3266408879. The cubic root of 135450647 is about 513.5629615354.

The spelling of 135450647 in words is "one hundred thirty-five million, four hundred fifty thousand, six hundred forty-seven".