133506632 has 16 divisors (see below), whose sum is σ = 286085760. Its totient is φ = 57217104.

The previous prime is 133506631. The next prime is 133506689. The reversal of 133506632 is 236605331.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 133506595 and 133506604.

It is not an unprimeable number, because it can be changed into a prime (133506631) 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, 1191968 + ... + 1192079.

It is an arithmetic number, because the mean of its divisors is an integer number (17880360).

Almost surely, 2^133506632 is an apocalyptic number.

It is an amenable number.

133506632 is an abundant number, since it is smaller than the sum of its proper divisors (152579128).

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

133506632 is a wasteful number, since it uses less digits than its factorization.

133506632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2384060 (or 2384056 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 29.

The square root of 133506632 is about 11554.5069994353. The cubic root of 133506632 is about 511.0941931108.

The spelling of 133506632 in words is "one hundred thirty-three million, five hundred six thousand, six hundred thirty-two".