135310235253 has 4 divisors (see below), whose sum is σ = 180413647008. Its totient is φ = 90206823500.

The previous prime is 135310235201. The next prime is 135310235257. The reversal of 135310235253 is 352532013531.

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 135310235253 - 2⁶ = 135310235189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135310235257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22551705873 + ... + 22551705878.

It is an arithmetic number, because the mean of its divisors is an integer number (45103411752).

Almost surely, 2^135310235253 is an apocalyptic number.

It is an amenable number.

135310235253 is a deficient number, since it is larger than the sum of its proper divisors (45103411755).

135310235253 is an equidigital number, since it uses as much as digits as its factorization.

135310235253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45103411754.

The product of its (nonzero) digits is 40500, while the sum is 33.

Adding to 135310235253 its reverse (352532013531), we get a palindrome (487842248784).

The spelling of 135310235253 in words is "one hundred thirty-five billion, three hundred ten million, two hundred thirty-five thousand, two hundred fifty-three".