136602073 has 2 divisors, whose sum is σ = 136602074. Its totient is φ = 136602072.

The previous prime is 136602071. The next prime is 136602097. The reversal of 136602073 is 370206631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 133333209 + 3268864 = 11547^2 + 1808^2 .

It is an emirp because it is prime and its reverse (370206631) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 136602073 - 2¹ = 136602071 is a prime.

Together with 136602071, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (136602071) 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, 68301036 + 68301037.

It is an arithmetic number, because the mean of its divisors is an integer number (68301037).

Almost surely, 2^136602073 is an apocalyptic number.

It is an amenable number.

136602073 is a deficient number, since it is larger than the sum of its proper divisors (1).

136602073 is an equidigital number, since it uses as much as digits as its factorization.

136602073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 28.

The square root of 136602073 is about 11687.6889503443. The cubic root of 136602073 is about 515.0140732007.

The spelling of 136602073 in words is "one hundred thirty-six million, six hundred two thousand, seventy-three".