135703273 has 2 divisors, whose sum is σ = 135703274. Its totient is φ = 135703272.

The previous prime is 135703261. The next prime is 135703283. The reversal of 135703273 is 372307531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 77211369 + 58491904 = 8787^2 + 7648^2 .

It is a cyclic number.

It is not a de Polignac number, because 135703273 - 2⁹ = 135702761 is a prime.

It is not a weakly prime, because it can be changed into another prime (135703283) 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, 67851636 + 67851637.

It is an arithmetic number, because the mean of its divisors is an integer number (67851637).

Almost surely, 2^135703273 is an apocalyptic number.

It is an amenable number.

135703273 is a deficient number, since it is larger than the sum of its proper divisors (1).

135703273 is an equidigital number, since it uses as much as digits as its factorization.

135703273 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13230, while the sum is 31.

The square root of 135703273 is about 11649.1747776398. The cubic root of 135703273 is about 513.8820415474.

The spelling of 135703273 in words is "one hundred thirty-five million, seven hundred three thousand, two hundred seventy-three".