133520600 has 96 divisors (see below), whose sum is σ = 335134800. Its totient is φ = 49305600.

The previous prime is 133520593. The next prime is 133520609. The reversal of 133520600 is 6025331.

133520600 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133520609) 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 23 ways as a sum of consecutive naturals, for example, 155372 + ... + 156228.

Almost surely, 2^133520600 is an apocalyptic number.

133520600 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 133520600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (167567400).

133520600 is an abundant number, since it is smaller than the sum of its proper divisors (201614200).

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

133520600 is a wasteful number, since it uses less digits than its factorization.

133520600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 933 (or 924 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 133520600 is about 11555.1114230889. Note that the first 3 decimals coincide. The cubic root of 133520600 is about 511.1120167316.

Adding to 133520600 its reverse (6025331), we get a palindrome (139545931).

The spelling of 133520600 in words is "one hundred thirty-three million, five hundred twenty thousand, six hundred".