133533125 has 20 divisors (see below), whose sum is σ = 182041728. Its totient is φ = 97110000.

The previous prime is 133533109. The next prime is 133533131. The reversal of 133533125 is 521335331.

It is not a de Polignac number, because 133533125 - 2⁴ = 133533109 is a prime.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 133533094 and 133533103.

It is a congruent number.

It is an unprimeable number.

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 19 ways as a sum of consecutive naturals, for example, 2837 + ... + 16586.

Almost surely, 2^133533125 is an apocalyptic number.

It is an amenable number.

133533125 is a deficient number, since it is larger than the sum of its proper divisors (48508603).

133533125 is an equidigital number, since it uses as much as digits as its factorization.

133533125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19454 (or 19439 counting only the distinct ones).

The product of its digits is 4050, while the sum is 26.

The square root of 133533125 is about 11555.6533783253. The cubic root of 133533125 is about 511.1279979805.

Adding to 133533125 its reverse (521335331), we get a palindrome (654868456).

The spelling of 133533125 in words is "one hundred thirty-three million, five hundred thirty-three thousand, one hundred twenty-five".