136431682267 has 2 divisors, whose sum is σ = 136431682268. Its totient is φ = 136431682266.

The previous prime is 136431682253. The next prime is 136431682271. The reversal of 136431682267 is 762286134631.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-136431682267 is a prime.

It is a super-2 number, since 2×136431682267² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 136431682267.

It is not a weakly prime, because it can be changed into another prime (136431682067) 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, 68215841133 + 68215841134.

It is an arithmetic number, because the mean of its divisors is an integer number (68215841134).

Almost surely, 2^136431682267 is an apocalyptic number.

136431682267 is a deficient number, since it is larger than the sum of its proper divisors (1).

136431682267 is an equidigital number, since it uses as much as digits as its factorization.

136431682267 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1741824, while the sum is 49.

The spelling of 136431682267 in words is "one hundred thirty-six billion, four hundred thirty-one million, six hundred eighty-two thousand, two hundred sixty-seven".