133441500 has 96 divisors (see below), whose sum is σ = 411518016. Its totient is φ = 33484800.

The previous prime is 133441487. The next prime is 133441501. The reversal of 133441500 is 5144331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133441501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22884 + ... + 28116.

It is an arithmetic number, because the mean of its divisors is an integer number (4286646).

Almost surely, 2^133441500 is an apocalyptic number.

133441500 is a gapful number since it is divisible by the number (10) 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 133441500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (205759008).

133441500 is an abundant number, since it is smaller than the sum of its proper divisors (278076516).

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

133441500 is a wasteful number, since it uses less digits than its factorization.

133441500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5272 (or 5260 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 133441500 is about 11551.6881883126. The cubic root of 133441500 is about 511.0110661498.

Adding to 133441500 its reverse (5144331), we get a palindrome (138585831).

The spelling of 133441500 in words is "one hundred thirty-three million, four hundred forty-one thousand, five hundred".