136912858289 has 2 divisors, whose sum is σ = 136912858290. Its totient is φ = 136912858288.

The previous prime is 136912858279. The next prime is 136912858301. The reversal of 136912858289 is 982858219631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 91208832064 + 45704026225 = 302008^2 + 213785^2 .

It is a cyclic number.

It is not a de Polignac number, because 136912858289 - 2²⁴ = 136896081073 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (136912858279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68456429144 + 68456429145.

It is an arithmetic number, because the mean of its divisors is an integer number (68456429145).

Almost surely, 2^136912858289 is an apocalyptic number.

It is an amenable number.

136912858289 is a deficient number, since it is larger than the sum of its proper divisors (1).

136912858289 is an equidigital number, since it uses as much as digits as its factorization.

136912858289 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14929920, while the sum is 62.

The spelling of 136912858289 in words is "one hundred thirty-six billion, nine hundred twelve million, eight hundred fifty-eight thousand, two hundred eighty-nine".