133545604 has 24 divisors (see below), whose sum is σ = 249480000. Its totient is φ = 62364960.

The previous prime is 133545583. The next prime is 133545611. The reversal of 133545604 is 406545331.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6979 + ... + 17770.

It is an arithmetic number, because the mean of its divisors is an integer number (10395000).

Almost surely, 2^133545604 is an apocalyptic number.

It is an amenable number.

133545604 is a deficient number, since it is larger than the sum of its proper divisors (115934396).

133545604 is a wasteful number, since it uses less digits than its factorization.

133545604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24843 (or 24841 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 31.

The square root of 133545604 is about 11556.1933178707. The cubic root of 133545604 is about 511.1439195421.

The spelling of 133545604 in words is "one hundred thirty-three million, five hundred forty-five thousand, six hundred four".