135425263 has 2 divisors, whose sum is σ = 135425264. Its totient is φ = 135425262.

The previous prime is 135425231. The next prime is 135425309. The reversal of 135425263 is 362524531.

It is a happy number.

135425263 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (362524531) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 135425263 - 2⁵ = 135425231 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135425203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67712631 + 67712632.

It is an arithmetic number, because the mean of its divisors is an integer number (67712632).

Almost surely, 2^135425263 is an apocalyptic number.

135425263 is a deficient number, since it is larger than the sum of its proper divisors (1).

135425263 is an equidigital number, since it uses as much as digits as its factorization.

135425263 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21600, while the sum is 31.

The square root of 135425263 is about 11637.2360550089. The cubic root of 135425263 is about 513.5308782713.

Adding to 135425263 its reverse (362524531), we get a palindrome (497949794).

The spelling of 135425263 in words is "one hundred thirty-five million, four hundred twenty-five thousand, two hundred sixty-three".