135020453 has 2 divisors, whose sum is σ = 135020454. Its totient is φ = 135020452.

The previous prime is 135020449. The next prime is 135020467. The reversal of 135020453 is 354020531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 101646724 + 33373729 = 10082^2 + 5777^2 .

It is a cyclic number.

It is not a de Polignac number, because 135020453 - 2² = 135020449 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135020653) 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, 67510226 + 67510227.

It is an arithmetic number, because the mean of its divisors is an integer number (67510227).

Almost surely, 2^135020453 is an apocalyptic number.

It is an amenable number.

135020453 is a deficient number, since it is larger than the sum of its proper divisors (1).

135020453 is an equidigital number, since it uses as much as digits as its factorization.

135020453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 135020453 is about 11619.8301622700. The cubic root of 135020453 is about 513.0186894637.

Adding to 135020453 its reverse (354020531), we get a palindrome (489040984).

The spelling of 135020453 in words is "one hundred thirty-five million, twenty thousand, four hundred fifty-three".