135212353 has 4 divisors (see below), whose sum is σ = 135379888. Its totient is φ = 135044820.

The previous prime is 135212347. The next prime is 135212411. The reversal of 135212353 is 353212531.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 135212353 - 2⁵ = 135212321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135212333) 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 3 ways as a sum of consecutive naturals, for example, 82551 + ... + 84172.

It is an arithmetic number, because the mean of its divisors is an integer number (33844972).

Almost surely, 2^135212353 is an apocalyptic number.

It is an amenable number.

135212353 is a deficient number, since it is larger than the sum of its proper divisors (167535).

135212353 is an equidigital number, since it uses as much as digits as its factorization.

135212353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167534.

The product of its digits is 2700, while the sum is 25.

The square root of 135212353 is about 11628.0846660144. The cubic root of 135212353 is about 513.2616197771.

Adding to 135212353 its reverse (353212531), we get a palindrome (488424884).

The spelling of 135212353 in words is "one hundred thirty-five million, two hundred twelve thousand, three hundred fifty-three".