133434252 has 108 divisors (see below), whose sum is σ = 398569080. Its totient is φ = 37521792.

The previous prime is 133434221. The next prime is 133434263. The reversal of 133434252 is 252434331.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 117624 + ... + 118752.

Almost surely, 2^133434252 is an apocalyptic number.

133434252 is a gapful number since it is divisible by the number (12) 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 133434252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (199284540).

133434252 is an abundant number, since it is smaller than the sum of its proper divisors (265134828).

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

133434252 is a wasteful number, since it uses less digits than its factorization.

133434252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1220 (or 1208 counting only the distinct ones).

The product of its digits is 8640, while the sum is 27.

The square root of 133434252 is about 11551.3744636731. The cubic root of 133434252 is about 511.0018139674.

Adding to 133434252 its reverse (252434331), we get a palindrome (385868583).

The spelling of 133434252 in words is "one hundred thirty-three million, four hundred thirty-four thousand, two hundred fifty-two".