135021324 has 24 divisors (see below), whose sum is σ = 315318528. Its totient is φ = 44968720.

The previous prime is 135021269. The next prime is 135021373. The reversal of 135021324 is 423120531.

It is a self number, because there is not a number n which added to its sum of digits gives 135021324.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12289 + ... + 20519.

It is an arithmetic number, because the mean of its divisors is an integer number (13138272).

Almost surely, 2^135021324 is an apocalyptic number.

It is an amenable number.

135021324 is an abundant number, since it is smaller than the sum of its proper divisors (180297204).

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

135021324 is a wasteful number, since it uses less digits than its factorization.

135021324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9605 (or 9603 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 135021324 is about 11619.8676412427. The cubic root of 135021324 is about 513.0197926011.

Adding to 135021324 its reverse (423120531), we get a palindrome (558141855).

The spelling of 135021324 in words is "one hundred thirty-five million, twenty-one thousand, three hundred twenty-four".