133232352 has 96 divisors (see below), whose sum is σ = 387120384. Its totient is φ = 39782400.

The previous prime is 133232321. The next prime is 133232387. The reversal of 133232352 is 253232331.

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 (24).

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, 74088 + ... + 75864.

It is an arithmetic number, because the mean of its divisors is an integer number (4032504).

Almost surely, 2^133232352 is an apocalyptic number.

133232352 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 133232352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (193560192).

133232352 is an abundant number, since it is smaller than the sum of its proper divisors (253888032).

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

133232352 is a wasteful number, since it uses less digits than its factorization.

133232352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1872 (or 1864 counting only the distinct ones).

The product of its digits is 3240, while the sum is 24.

The square root of 133232352 is about 11542.6319355682. The cubic root of 133232352 is about 510.7439507756.

Adding to 133232352 its reverse (253232331), we get a palindrome (386464683).

The spelling of 133232352 in words is "one hundred thirty-three million, two hundred thirty-two thousand, three hundred fifty-two".