135310235252 has 24 divisors (see below), whose sum is σ = 240190944000. Its totient is φ = 66687113376.

The previous prime is 135310235201. The next prime is 135310235257. The reversal of 135310235252 is 252532013531.

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 pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168143 + ... + 546710.

It is an arithmetic number, because the mean of its divisors is an integer number (10007956000).

Almost surely, 2^135310235252 is an apocalyptic number.

It is an amenable number.

135310235252 is a deficient number, since it is larger than the sum of its proper divisors (104880708748).

135310235252 is a wasteful number, since it uses less digits than its factorization.

135310235252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 715535 (or 715533 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 32.

Adding to 135310235252 its reverse (252532013531), we get a palindrome (387842248783).

The spelling of 135310235252 in words is "one hundred thirty-five billion, three hundred ten million, two hundred thirty-five thousand, two hundred fifty-two".