135630073 has 2 divisors, whose sum is σ = 135630074. Its totient is φ = 135630072.

The previous prime is 135630017. The next prime is 135630083. The reversal of 135630073 is 370036531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 130233744 + 5396329 = 11412^2 + 2323^2 .

It is a cyclic number.

It is not a de Polignac number, because 135630073 - 2⁹ = 135629561 is a prime.

It is not a weakly prime, because it can be changed into another prime (135630083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67815036 + 67815037.

It is an arithmetic number, because the mean of its divisors is an integer number (67815037).

Almost surely, 2^135630073 is an apocalyptic number.

It is an amenable number.

135630073 is a deficient number, since it is larger than the sum of its proper divisors (1).

135630073 is an equidigital number, since it uses as much as digits as its factorization.

135630073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5670, while the sum is 28.

The square root of 135630073 is about 11646.0325003840. The cubic root of 135630073 is about 513.7896268493.

The spelling of 135630073 in words is "one hundred thirty-five million, six hundred thirty thousand, seventy-three".