135127453 has 6 divisors (see below), whose sum is σ = 137009274. Its totient is φ = 133271136.

The previous prime is 135127423. The next prime is 135127459. The reversal of 135127453 is 354721531.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 17665209 + 117462244 = 4203^2 + 10838^2 .

It is a de Polignac number, because none of the positive numbers 2^k-135127453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135127459) 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 in 5 ways as a sum of consecutive naturals, for example, 7350 + ... + 18007.

It is an arithmetic number, because the mean of its divisors is an integer number (22834879).

Almost surely, 2^135127453 is an apocalyptic number.

It is an amenable number.

135127453 is a deficient number, since it is larger than the sum of its proper divisors (1881821).

135127453 is an frugal number, since it uses more digits than its factorization.

135127453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25503 (or 25430 counting only the distinct ones).

The product of its digits is 12600, while the sum is 31.

The square root of 135127453 is about 11624.4334485600. The cubic root of 135127453 is about 513.1541714210.

Adding to 135127453 its reverse (354721531), we get a palindrome (489848984).

The spelling of 135127453 in words is "one hundred thirty-five million, one hundred twenty-seven thousand, four hundred fifty-three".