135103532453 has 2 divisors, whose sum is σ = 135103532454. Its totient is φ = 135103532452.

The previous prime is 135103532419. The next prime is 135103532483. The reversal of 135103532453 is 354235301531.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 90517943044 + 44585589409 = 300862^2 + 211153^2 .

It is a cyclic number.

It is not a de Polignac number, because 135103532453 - 2²⁰ = 135102483877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135103532483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67551766226 + 67551766227.

It is an arithmetic number, because the mean of its divisors is an integer number (67551766227).

Almost surely, 2^135103532453 is an apocalyptic number.

It is an amenable number.

135103532453 is a deficient number, since it is larger than the sum of its proper divisors (1).

135103532453 is an equidigital number, since it uses as much as digits as its factorization.

135103532453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81000, while the sum is 35.

Adding to 135103532453 its reverse (354235301531), we get a palindrome (489338833984).

The spelling of 135103532453 in words is "one hundred thirty-five billion, one hundred three million, five hundred thirty-two thousand, four hundred fifty-three".