135230273 has 2 divisors, whose sum is σ = 135230274. Its totient is φ = 135230272.

The previous prime is 135230261. The next prime is 135230281. The reversal of 135230273 is 372032531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 117657409 + 17572864 = 10847^2 + 4192^2 .

It is a cyclic number.

It is not a de Polignac number, because 135230273 - 2⁶ = 135230209 is a prime.

It is not a weakly prime, because it can be changed into another prime (135230203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67615136 + 67615137.

It is an arithmetic number, because the mean of its divisors is an integer number (67615137).

Almost surely, 2^135230273 is an apocalyptic number.

It is an amenable number.

135230273 is a deficient number, since it is larger than the sum of its proper divisors (1).

135230273 is an equidigital number, since it uses as much as digits as its factorization.

135230273 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3780, while the sum is 26.

The square root of 135230273 is about 11628.8551887105. The cubic root of 135230273 is about 513.2842933513.

The spelling of 135230273 in words is "one hundred thirty-five million, two hundred thirty thousand, two hundred seventy-three".