135326253 has 8 divisors (see below), whose sum is σ = 186255616. Its totient is φ = 87307200.

The previous prime is 135326249. The next prime is 135326287. The reversal of 135326253 is 352623531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 135326253 - 2² = 135326249 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 135326253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135326293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 727468 + ... + 727653.

It is an arithmetic number, because the mean of its divisors is an integer number (23281952).

Almost surely, 2^135326253 is an apocalyptic number.

It is an amenable number.

135326253 is a deficient number, since it is larger than the sum of its proper divisors (50929363).

135326253 is a wasteful number, since it uses less digits than its factorization.

135326253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1455155.

The product of its digits is 16200, while the sum is 30.

The square root of 135326253 is about 11632.9812601929. The cubic root of 135326253 is about 513.4056995390.

Adding to 135326253 its reverse (352623531), we get a palindrome (487949784).

The spelling of 135326253 in words is "one hundred thirty-five million, three hundred twenty-six thousand, two hundred fifty-three".