133240304 has 40 divisors (see below), whose sum is σ = 266848992. Its totient is φ = 64413440.

The previous prime is 133240291. The next prime is 133240319. The reversal of 133240304 is 403042331.

It is a super-2 number, since 2×133240304² = 35505957220024832, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59102 + ... + 61314.

Almost surely, 2^133240304 is an apocalyptic number.

It is an amenable number.

133240304 is an abundant number, since it is smaller than the sum of its proper divisors (133608688).

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

133240304 is a wasteful number, since it uses less digits than its factorization.

133240304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2345 (or 2339 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 133240304 is about 11542.9763925948. The cubic root of 133240304 is about 510.7541118590.

Adding to 133240304 its reverse (403042331), we get a palindrome (536282635).

The spelling of 133240304 in words is "one hundred thirty-three million, two hundred forty thousand, three hundred four".