133434432 has 112 divisors (see below), whose sum is σ = 403067520. Its totient is φ = 43255296.

The previous prime is 133434419. The next prime is 133434439. The reversal of 133434432 is 234434331.

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

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 133434396 and 133434405.

It is not an unprimeable number, because it can be changed into a prime (133434439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62893 + ... + 64979.

Almost surely, 2^133434432 is an apocalyptic number.

133434432 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 133434432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (201533760).

133434432 is an abundant number, since it is smaller than the sum of its proper divisors (269633088).

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

133434432 is a wasteful number, since it uses less digits than its factorization.

133434432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2145 (or 2129 counting only the distinct ones).

The product of its digits is 10368, while the sum is 27.

The square root of 133434432 is about 11551.3822549511. The cubic root of 133434432 is about 511.0020437442.

Adding to 133434432 its reverse (234434331), we get a palindrome (367868763).

The spelling of 133434432 in words is "one hundred thirty-three million, four hundred thirty-four thousand, four hundred thirty-two".