136006667 has 2 divisors, whose sum is σ = 136006668. Its totient is φ = 136006666.

The previous prime is 136006657. The next prime is 136006691. The reversal of 136006667 is 766600631.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (766600631) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 136006667 - 2⁸ = 136006411 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (136006657) 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, 68003333 + 68003334.

It is an arithmetic number, because the mean of its divisors is an integer number (68003334).

Almost surely, 2^136006667 is an apocalyptic number.

136006667 is a deficient number, since it is larger than the sum of its proper divisors (1).

136006667 is an equidigital number, since it uses as much as digits as its factorization.

136006667 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 35.

The square root of 136006667 is about 11662.1896314543. The cubic root of 136006667 is about 514.2647212955.

The spelling of 136006667 in words is "one hundred thirty-six million, six thousand, six hundred sixty-seven".