136768867 has 2 divisors, whose sum is σ = 136768868. Its totient is φ = 136768866.

The previous prime is 136768861. The next prime is 136768883. The reversal of 136768867 is 768867631.

136768867 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-136768867 is a prime.

It is not a weakly prime, because it can be changed into another prime (136768861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68384433 + 68384434.

It is an arithmetic number, because the mean of its divisors is an integer number (68384434).

Almost surely, 2^136768867 is an apocalyptic number.

136768867 is a deficient number, since it is larger than the sum of its proper divisors (1).

136768867 is an equidigital number, since it uses as much as digits as its factorization.

136768867 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2032128, while the sum is 52.

The square root of 136768867 is about 11694.8222303719. The cubic root of 136768867 is about 515.2236022772.

The spelling of 136768867 in words is "one hundred thirty-six million, seven hundred sixty-eight thousand, eight hundred sixty-seven".