136551647 has 2 divisors, whose sum is σ = 136551648. Its totient is φ = 136551646.

The previous prime is 136551637. The next prime is 136551661. The reversal of 136551647 is 746155631.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 136551647 - 2⁴ = 136551631 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 136551647.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136551637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68275823 + 68275824.

It is an arithmetic number, because the mean of its divisors is an integer number (68275824).

Almost surely, 2^136551647 is an apocalyptic number.

136551647 is a deficient number, since it is larger than the sum of its proper divisors (1).

136551647 is an equidigital number, since it uses as much as digits as its factorization.

136551647 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 75600, while the sum is 38.

The square root of 136551647 is about 11685.5315240686. The cubic root of 136551647 is about 514.9506937431.

The spelling of 136551647 in words is "one hundred thirty-six million, five hundred fifty-one thousand, six hundred forty-seven".