136746073 has 2 divisors, whose sum is σ = 136746074. Its totient is φ = 136746072.

The previous prime is 136746067. The next prime is 136746133. The reversal of 136746073 is 370647631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 131606784 + 5139289 = 11472^2 + 2267^2 .

It is a cyclic number.

It is not a de Polignac number, because 136746073 - 2⁹ = 136745561 is a prime.

It is not a weakly prime, because it can be changed into another prime (136746773) 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, 68373036 + 68373037.

It is an arithmetic number, because the mean of its divisors is an integer number (68373037).

Almost surely, 2^136746073 is an apocalyptic number.

It is an amenable number.

136746073 is a deficient number, since it is larger than the sum of its proper divisors (1).

136746073 is an equidigital number, since it uses as much as digits as its factorization.

136746073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 63504, while the sum is 37.

The square root of 136746073 is about 11693.8476559257. The cubic root of 136746073 is about 515.1949781721.

The spelling of 136746073 in words is "one hundred thirty-six million, seven hundred forty-six thousand, seventy-three".