133200231 has 8 divisors (see below), whose sum is σ = 177898224. Its totient is φ = 88651200.

The previous prime is 133200227. The next prime is 133200233. The reversal of 133200231 is 132002331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 133200231 - 2² = 133200227 is a prime.

It is a super-2 number, since 2×133200231² = 35484603076906722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 133200231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133200233) by changing a digit.

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, 35136 + ... + 38741.

It is an arithmetic number, because the mean of its divisors is an integer number (22237278).

Almost surely, 2^133200231 is an apocalyptic number.

133200231 is a deficient number, since it is larger than the sum of its proper divisors (44697993).

133200231 is an equidigital number, since it uses as much as digits as its factorization.

133200231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74481.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 133200231 is about 11541.2404445969. The cubic root of 133200231 is about 510.7029023747.

Adding to 133200231 its reverse (132002331), we get a palindrome (265202562).

The spelling of 133200231 in words is "one hundred thirty-three million, two hundred thousand, two hundred thirty-one".