135816607 has 2 divisors, whose sum is σ = 135816608. Its totient is φ = 135816606.

The previous prime is 135816547. The next prime is 135816613. The reversal of 135816607 is 706618531.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 135816607 - 2¹¹ = 135814559 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135814607) 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, 67908303 + 67908304.

It is an arithmetic number, because the mean of its divisors is an integer number (67908304).

Almost surely, 2^135816607 is an apocalyptic number.

135816607 is a deficient number, since it is larger than the sum of its proper divisors (1).

135816607 is an equidigital number, since it uses as much as digits as its factorization.

135816607 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 135816607 is about 11654.0382271554. The cubic root of 135816607 is about 514.0250597178.

The spelling of 135816607 in words is "one hundred thirty-five million, eight hundred sixteen thousand, six hundred seven".