136006789 has 2 divisors, whose sum is σ = 136006790. Its totient is φ = 136006788.

The previous prime is 136006777. The next prime is 136006837. The reversal of 136006789 is 987600631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 91049764 + 44957025 = 9542^2 + 6705^2 .

It is an emirp because it is prime and its reverse (987600631) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 136006789 - 2²¹ = 133909637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136006729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68003394 + 68003395.

It is an arithmetic number, because the mean of its divisors is an integer number (68003395).

Almost surely, 2^136006789 is an apocalyptic number.

It is an amenable number.

136006789 is a deficient number, since it is larger than the sum of its proper divisors (1).

136006789 is an equidigital number, since it uses as much as digits as its factorization.

136006789 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 136006789 is about 11662.1948620318. The cubic root of 136006789 is about 514.2648750631.

The spelling of 136006789 in words is "one hundred thirty-six million, six thousand, seven hundred eighty-nine".