135711253 has 2 divisors, whose sum is σ = 135711254. Its totient is φ = 135711252.

The previous prime is 135711229. The next prime is 135711259. The reversal of 135711253 is 352117531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 118222129 + 17489124 = 10873^2 + 4182^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-135711253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135711259) 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, 67855626 + 67855627.

It is an arithmetic number, because the mean of its divisors is an integer number (67855627).

Almost surely, 2^135711253 is an apocalyptic number.

It is an amenable number.

135711253 is a deficient number, since it is larger than the sum of its proper divisors (1).

135711253 is an equidigital number, since it uses as much as digits as its factorization.

135711253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3150, while the sum is 28.

The square root of 135711253 is about 11649.5172861368. The cubic root of 135711253 is about 513.8921142553.

Adding to 135711253 its reverse (352117531), we get a palindrome (487828784).

The spelling of 135711253 in words is "one hundred thirty-five million, seven hundred eleven thousand, two hundred fifty-three".