133432 has 16 divisors (see below), whose sum is σ = 269640. Its totient is φ = 61536.
The previous prime is 133417. The next prime is 133439. The reversal of 133432 is 234331.
It is a d-powerful number, because it can be written as 1 + 33 + 43 + 34 + 37 + 217 .
It is a plaindrome in base 14.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (133439) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 538 + ... + 745.
2133432 is an apocalyptic number.
It is an amenable number.
133432 is an abundant number, since it is smaller than the sum of its proper divisors (136208).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
133432 is a wasteful number, since it uses less digits than its factorization.
133432 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1302 (or 1298 counting only the distinct ones).
The product of its digits is 216, while the sum is 16.
The square root of 133432 is about 365.2834515825. The cubic root of 133432 is about 51.0998939187.
Adding to 133432 its reverse (234331), we get a palindrome (367763).
It can be divided in two parts, 133 and 432, that added together give a palindrome (565).
The spelling of 133432 in words is "one hundred thirty-three thousand, four hundred thirty-two".
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