135083257 has 2 divisors, whose sum is σ = 135083258. Its totient is φ = 135083256.

The previous prime is 135083239. The next prime is 135083261. The reversal of 135083257 is 752380531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 125865961 + 9217296 = 11219^2 + 3036^2 .

It is a cyclic number.

It is not a de Polignac number, because 135083257 - 2¹¹ = 135081209 is a prime.

It is not a weakly prime, because it can be changed into another prime (135083227) 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, 67541628 + 67541629.

It is an arithmetic number, because the mean of its divisors is an integer number (67541629).

Almost surely, 2^135083257 is an apocalyptic number.

It is an amenable number.

135083257 is a deficient number, since it is larger than the sum of its proper divisors (1).

135083257 is an equidigital number, since it uses as much as digits as its factorization.

135083257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 135083257 is about 11622.5322972234. The cubic root of 135083257 is about 513.0982197145.

The spelling of 135083257 in words is "one hundred thirty-five million, eighty-three thousand, two hundred fifty-seven".