133299384 has 16 divisors (see below), whose sum is σ = 333248520. Its totient is φ = 44433120.

The previous prime is 133299377. The next prime is 133299389. The reversal of 133299384 is 483992331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133299389) 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, 2777047 + ... + 2777094.

Almost surely, 2^133299384 is an apocalyptic number.

It is an amenable number.

133299384 is an abundant number, since it is smaller than the sum of its proper divisors (199949136).

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

133299384 is a wasteful number, since it uses less digits than its factorization.

133299384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5554150 (or 5554146 counting only the distinct ones).

The product of its digits is 139968, while the sum is 42.

The square root of 133299384 is about 11545.5352409492. The cubic root of 133299384 is about 510.8295917579.

The spelling of 133299384 in words is "one hundred thirty-three million, two hundred ninety-nine thousand, three hundred eighty-four".