136682264561 has 2 divisors, whose sum is σ = 136682264562. Its totient is φ = 136682264560.

The previous prime is 136682264557. The next prime is 136682264569. The reversal of 136682264561 is 165462286631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 109759690000 + 26922574561 = 331300^2 + 164081^2 .

It is a cyclic number.

It is not a de Polignac number, because 136682264561 - 2² = 136682264557 is a prime.

It is not a weakly prime, because it can be changed into another prime (136682264569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68341132280 + 68341132281.

It is an arithmetic number, because the mean of its divisors is an integer number (68341132281).

Almost surely, 2^136682264561 is an apocalyptic number.

It is an amenable number.

136682264561 is a deficient number, since it is larger than the sum of its proper divisors (1).

136682264561 is an equidigital number, since it uses as much as digits as its factorization.

136682264561 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2488320, while the sum is 50.

The spelling of 136682264561 in words is "one hundred thirty-six billion, six hundred eighty-two million, two hundred sixty-four thousand, five hundred sixty-one".