133234506 has 12 divisors (see below), whose sum is σ = 288674802. Its totient is φ = 44411496.

The previous prime is 133234501. The next prime is 133234529. The reversal of 133234506 is 605432331.

It is a happy number.

133234506 is a `hidden beast` number, since 133 + 23 + 4 + 506 = 666.

It can be written as a sum of positive squares in only one way, i.e., 115670025 + 17564481 = 10755^2 + 4191^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 133234506.

It is not an unprimeable number, because it can be changed into a prime (133234501) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3700941 + ... + 3700976.

Almost surely, 2^133234506 is an apocalyptic number.

133234506 is an abundant number, since it is smaller than the sum of its proper divisors (155440296).

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

133234506 is a wasteful number, since it uses less digits than its factorization.

133234506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7401925 (or 7401922 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

The square root of 133234506 is about 11542.7252414670. The cubic root of 133234506 is about 510.7467032016.

Adding to 133234506 its reverse (605432331), we get a palindrome (738666837).

The spelling of 133234506 in words is "one hundred thirty-three million, two hundred thirty-four thousand, five hundred six".