133210452 has 12 divisors (see below), whose sum is σ = 310824416. Its totient is φ = 44403480.

The previous prime is 133210421. The next prime is 133210477. The reversal of 133210452 is 254012331.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5550424 + ... + 5550447.

Almost surely, 2^133210452 is an apocalyptic number.

133210452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

133210452 is an abundant number, since it is smaller than the sum of its proper divisors (177613964).

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

133210452 is a wasteful number, since it uses less digits than its factorization.

133210452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11100878 (or 11100876 counting only the distinct ones).

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

The square root of 133210452 is about 11541.6832394586. The cubic root of 133210452 is about 510.7159648166.

Adding to 133210452 its reverse (254012331), we get a palindrome (387222783).

The spelling of 133210452 in words is "one hundred thirty-three million, two hundred ten thousand, four hundred fifty-two".