135125453 has 2 divisors, whose sum is σ = 135125454. Its totient is φ = 135125452.

The previous prime is 135125449. The next prime is 135125467. The reversal of 135125453 is 354521531.

135125453 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 can be written as a sum of positive squares in only one way, i.e., 134050084 + 1075369 = 11578^2 + 1037^2 .

It is a cyclic number.

It is not a de Polignac number, because 135125453 - 2² = 135125449 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135125153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67562726 + 67562727.

It is an arithmetic number, because the mean of its divisors is an integer number (67562727).

Almost surely, 2^135125453 is an apocalyptic number.

It is an amenable number.

135125453 is a deficient number, since it is larger than the sum of its proper divisors (1).

135125453 is an equidigital number, since it uses as much as digits as its factorization.

135125453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9000, while the sum is 29.

The square root of 135125453 is about 11624.3474225438. The cubic root of 135125453 is about 513.1516397040.

Adding to 135125453 its reverse (354521531), we get a palindrome (489646984).

The spelling of 135125453 in words is "one hundred thirty-five million, one hundred twenty-five thousand, four hundred fifty-three".