135224324 has 24 divisors (see below), whose sum is σ = 254004408. Its totient is φ = 62760960.

The previous prime is 135224321. The next prime is 135224329. The reversal of 135224324 is 423422531.

It can be written as a sum of positive squares in 4 ways, for example, as 88548100 + 46676224 = 9410^2 + 6832^2 .

It is a junction number, because it is equal to n+sod(n) for n = 135224293 and 135224302.

It is not an unprimeable number, because it can be changed into a prime (135224321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8657 + ... + 18584.

It is an arithmetic number, because the mean of its divisors is an integer number (10583517).

Almost surely, 2^135224324 is an apocalyptic number.

It is an amenable number.

135224324 is a deficient number, since it is larger than the sum of its proper divisors (118780084).

135224324 is a wasteful number, since it uses less digits than its factorization.

135224324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27335 (or 27333 counting only the distinct ones).

The product of its digits is 5760, while the sum is 26.

The square root of 135224324 is about 11628.5993997558. The cubic root of 135224324 is about 513.2767665035.

Adding to 135224324 its reverse (423422531), we get a palindrome (558646855).

The spelling of 135224324 in words is "one hundred thirty-five million, two hundred twenty-four thousand, three hundred twenty-four".