135126053 has 2 divisors, whose sum is σ = 135126054. Its totient is φ = 135126052.

The previous prime is 135126031. The next prime is 135126067. The reversal of 135126053 is 350621531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 116273089 + 18852964 = 10783^2 + 4342^2 .

It is a cyclic number.

It is not a de Polignac number, because 135126053 - 2²⁰ = 134077477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135126023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67563026 + 67563027.

It is an arithmetic number, because the mean of its divisors is an integer number (67563027).

Almost surely, 2^135126053 is an apocalyptic number.

It is an amenable number.

135126053 is a deficient number, since it is larger than the sum of its proper divisors (1).

135126053 is an equidigital number, since it uses as much as digits as its factorization.

135126053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2700, while the sum is 26.

The square root of 135126053 is about 11624.3732304155. The cubic root of 135126053 is about 513.1523992218.

Adding to 135126053 its reverse (350621531), we get a palindrome (485747584).

The spelling of 135126053 in words is "one hundred thirty-five million, one hundred twenty-six thousand, fifty-three".