136767667 has 2 divisors, whose sum is σ = 136767668. Its totient is φ = 136767666.

The previous prime is 136767661. The next prime is 136767679. The reversal of 136767667 is 766767631.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 136767667 - 2⁷ = 136767539 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 136767667.

It is not a weakly prime, because it can be changed into another prime (136767661) 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, 68383833 + 68383834.

It is an arithmetic number, because the mean of its divisors is an integer number (68383834).

Almost surely, 2^136767667 is an apocalyptic number.

136767667 is a deficient number, since it is larger than the sum of its proper divisors (1).

136767667 is an equidigital number, since it uses as much as digits as its factorization.

136767667 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1333584, while the sum is 49.

The square root of 136767667 is about 11694.7709255034. The cubic root of 136767667 is about 515.2220954281. Note that the first 3 decimals are identical.

The spelling of 136767667 in words is "one hundred thirty-six million, seven hundred sixty-seven thousand, six hundred sixty-seven".