133021300 has 18 divisors (see below), whose sum is σ = 288656438. Its totient is φ = 53208480.

The previous prime is 133021271. The next prime is 133021321. The reversal of 133021300 is 3120331.

133021300 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 14167696 + 118853604 = 3764^2 + 10902^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 665007 + ... + 665206.

Almost surely, 2^133021300 is an apocalyptic number.

133021300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133021300 is an abundant number, since it is smaller than the sum of its proper divisors (155635138).

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

133021300 is a wasteful number, since it uses less digits than its factorization.

133021300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1330227 (or 1330220 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 133021300 is about 11533.4860298177. The cubic root of 133021300 is about 510.4741201651.

Adding to 133021300 its reverse (3120331), we get a palindrome (136141631).

The spelling of 133021300 in words is "one hundred thirty-three million, twenty-one thousand, three hundred".