135243324 has 48 divisors (see below), whose sum is σ = 351859200. Its totient is φ = 44923248.

The previous prime is 135243323. The next prime is 135243331. The reversal of 135243324 is 423342531.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135243323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31117 + ... + 35195.

It is an arithmetic number, because the mean of its divisors is an integer number (7330400).

Almost surely, 2^135243324 is an apocalyptic number.

It is an amenable number.

135243324 is an abundant number, since it is smaller than the sum of its proper divisors (216615876).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

135243324 is a wasteful number, since it uses less digits than its factorization.

135243324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4399 (or 4391 counting only the distinct ones).

The product of its digits is 8640, while the sum is 27.

The square root of 135243324 is about 11629.4163224127. The cubic root of 135243324 is about 513.3008050826.

Adding to 135243324 its reverse (423342531), we get a palindrome (558585855).

The spelling of 135243324 in words is "one hundred thirty-five million, two hundred forty-three thousand, three hundred twenty-four".