136998323867 has 2 divisors, whose sum is σ = 136998323868. Its totient is φ = 136998323866.

The previous prime is 136998323863. The next prime is 136998323897. The reversal of 136998323867 is 768323899631.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 136998323867 - 2² = 136998323863 is a prime.

It is not a weakly prime, because it can be changed into another prime (136998323863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68499161933 + 68499161934.

It is an arithmetic number, because the mean of its divisors is an integer number (68499161934).

Almost surely, 2^136998323867 is an apocalyptic number.

136998323867 is a deficient number, since it is larger than the sum of its proper divisors (1).

136998323867 is an equidigital number, since it uses as much as digits as its factorization.

136998323867 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 70543872, while the sum is 65.

The spelling of 136998323867 in words is "one hundred thirty-six billion, nine hundred ninety-eight million, three hundred twenty-three thousand, eight hundred sixty-seven".