133201230 has 16 divisors (see below), whose sum is σ = 319683024. Its totient is φ = 35520320.

The previous prime is 133201223. The next prime is 133201231. The reversal of 133201230 is 32102331.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133201231) 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, 2219991 + ... + 2220050.

It is an arithmetic number, because the mean of its divisors is an integer number (19980189).

Almost surely, 2^133201230 is an apocalyptic number.

133201230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133201230 is an abundant number, since it is smaller than the sum of its proper divisors (186481794).

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

133201230 is a wasteful number, since it uses less digits than its factorization.

133201230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4440051.

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

The square root of 133201230 is about 11541.2837240924. The cubic root of 133201230 is about 510.7041791265.

Adding to 133201230 its reverse (32102331), we get a palindrome (165303561).

The spelling of 133201230 in words is "one hundred thirty-three million, two hundred one thousand, two hundred thirty".