135543320 has 64 divisors (see below), whose sum is σ = 335923200. Its totient is φ = 48810880.

The previous prime is 135543311. The next prime is 135543337. The reversal of 135543320 is 23345531.

It is a self number, because there is not a number n which added to its sum of digits gives 135543320.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45641 + ... + 48519.

It is an arithmetic number, because the mean of its divisors is an integer number (5248800).

Almost surely, 2^135543320 is an apocalyptic number.

135543320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 135543320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (167961600).

135543320 is an abundant number, since it is smaller than the sum of its proper divisors (200379880).

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

135543320 is a wasteful number, since it uses less digits than its factorization.

135543320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3008 (or 3004 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 135543320 is about 11642.3073314528. The cubic root of 135543320 is about 513.6800584789.

Adding to 135543320 its reverse (23345531), we get a palindrome (158888851).

The spelling of 135543320 in words is "one hundred thirty-five million, five hundred forty-three thousand, three hundred twenty".