133543104 has 56 divisors (see below), whose sum is σ = 355031040. Its totient is φ = 44300544.

The previous prime is 133543097. The next prime is 133543117. The reversal of 133543104 is 401345331.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41257 + ... + 44375.

It is an arithmetic number, because the mean of its divisors is an integer number (6339840).

Almost surely, 2^133543104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 133543104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177515520).

133543104 is an abundant number, since it is smaller than the sum of its proper divisors (221487936).

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

133543104 is a wasteful number, since it uses less digits than its factorization.

133543104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3357 (or 3347 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 133543104 is about 11556.0851502574. The cubic root of 133543104 is about 511.1407299506.

Adding to 133543104 its reverse (401345331), we get a palindrome (534888435).

The spelling of 133543104 in words is "one hundred thirty-three million, five hundred forty-three thousand, one hundred four".