133452133 has 4 divisors (see below), whose sum is σ = 133971660. Its totient is φ = 132932608.

The previous prime is 133452127. The next prime is 133452149. The reversal of 133452133 is 331254331.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 97476129 + 35976004 = 9873^2 + 5998^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133452133 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 133452098 and 133452107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133452173) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 259378 + ... + 259891.

It is an arithmetic number, because the mean of its divisors is an integer number (33492915).

Almost surely, 2^133452133 is an apocalyptic number.

It is an amenable number.

133452133 is a deficient number, since it is larger than the sum of its proper divisors (519527).

133452133 is an equidigital number, since it uses as much as digits as its factorization.

133452133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 519526.

The product of its digits is 3240, while the sum is 25.

The square root of 133452133 is about 11552.1484149053. The cubic root of 133452133 is about 511.0246387299.

The spelling of 133452133 in words is "one hundred thirty-three million, four hundred fifty-two thousand, one hundred thirty-three".