135443232 has 96 divisors (see below), whose sum is σ = 401889600. Its totient is φ = 44365824.

The previous prime is 135443227. The next prime is 135443239. The reversal of 135443232 is 232344531.

It is a tau number, because it is divible by the number of its divisors (96).

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

It is a junction number, because it is equal to n+sod(n) for n = 135443196 and 135443205.

It is not an unprimeable number, because it can be changed into a prime (135443239) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49648 + ... + 52304.

It is an arithmetic number, because the mean of its divisors is an integer number (4186350).

Almost surely, 2^135443232 is an apocalyptic number.

135443232 is a gapful number since it is divisible by the number (12) 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 135443232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (200944800).

135443232 is an abundant number, since it is smaller than the sum of its proper divisors (266446368).

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

135443232 is a wasteful number, since it uses less digits than its factorization.

135443232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2735 (or 2721 counting only the distinct ones).

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

The square root of 135443232 is about 11638.0080769864. The cubic root of 135443232 is about 513.5535900068.

Adding to 135443232 its reverse (232344531), we get a palindrome (367787763).

The spelling of 135443232 in words is "one hundred thirty-five million, four hundred forty-three thousand, two hundred thirty-two".