133143204 has 24 divisors (see below), whose sum is σ = 315306208. Its totient is φ = 43718400.

The previous prime is 133143191. The next prime is 133143217. The reversal of 133143204 is 402341331.

It is an interprime number because it is at equal distance from previous prime (133143191) and next prime (133143217).

It is a super-2 number, since 2×133143204² = 35454225542771232, which contains 22 as substring.

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, 81997 + ... + 83604.

Almost surely, 2^133143204 is an apocalyptic number.

It is an amenable number.

133143204 is an abundant number, since it is smaller than the sum of its proper divisors (182163004).

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

133143204 is a wasteful number, since it uses less digits than its factorization.

133143204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165675 (or 165673 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 133143204 is about 11538.7696051182. The cubic root of 133143204 is about 510.6300095790.

Adding to 133143204 its reverse (402341331), we get a palindrome (535484535).

The spelling of 133143204 in words is "one hundred thirty-three million, one hundred forty-three thousand, two hundred four".