136846817 has 2 divisors, whose sum is σ = 136846818. Its totient is φ = 136846816.

The previous prime is 136846799. The next prime is 136846861. The reversal of 136846817 is 718648631.

It is an a-pointer prime, because the next prime (136846861) can be obtained adding 136846817 to its sum of digits (44).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 113188321 + 23658496 = 10639^2 + 4864^2 .

It is a cyclic number.

It is not a de Polignac number, because 136846817 - 2²⁰ = 135798241 is a prime.

It is not a weakly prime, because it can be changed into another prime (136846867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68423408 + 68423409.

It is an arithmetic number, because the mean of its divisors is an integer number (68423409).

Almost surely, 2^136846817 is an apocalyptic number.

It is an amenable number.

136846817 is a deficient number, since it is larger than the sum of its proper divisors (1).

136846817 is an equidigital number, since it uses as much as digits as its factorization.

136846817 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 193536, while the sum is 44.

The square root of 136846817 is about 11698.1544270881. The cubic root of 136846817 is about 515.3214658071.

The spelling of 136846817 in words is "one hundred thirty-six million, eight hundred forty-six thousand, eight hundred seventeen".