136766347 has 2 divisors, whose sum is σ = 136766348. Its totient is φ = 136766346.

The previous prime is 136766323. The next prime is 136766369. The reversal of 136766347 is 743667631.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 136766347 - 2⁷ = 136766219 is a prime.

It is not a weakly prime, because it can be changed into another prime (136766317) 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, 68383173 + 68383174.

It is an arithmetic number, because the mean of its divisors is an integer number (68383174).

Almost surely, 2^136766347 is an apocalyptic number.

136766347 is a deficient number, since it is larger than the sum of its proper divisors (1).

136766347 is an equidigital number, since it uses as much as digits as its factorization.

136766347 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 381024, while the sum is 43.

The square root of 136766347 is about 11694.7144898882. The cubic root of 136766347 is about 515.2204378840.

The spelling of 136766347 in words is "one hundred thirty-six million, seven hundred sixty-six thousand, three hundred forty-seven".