135231352 has 16 divisors (see below), whose sum is σ = 264583440. Its totient is φ = 64675776.

The previous prime is 135231307. The next prime is 135231353. The reversal of 135231352 is 253132531.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135231353) 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, 367293 + ... + 367660.

It is an arithmetic number, because the mean of its divisors is an integer number (16536465).

Almost surely, 2^135231352 is an apocalyptic number.

It is an amenable number.

135231352 is a deficient number, since it is larger than the sum of its proper divisors (129352088).

135231352 is a wasteful number, since it uses less digits than its factorization.

135231352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 734982 (or 734978 counting only the distinct ones).

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

The square root of 135231352 is about 11628.9015818348. The cubic root of 135231352 is about 513.2856585098.

Adding to 135231352 its reverse (253132531), we get a palindrome (388363883).

The spelling of 135231352 in words is "one hundred thirty-five million, two hundred thirty-one thousand, three hundred fifty-two".