133143201 has 24 divisors (see below), whose sum is σ = 204501024. Its totient is φ = 83184000.

The previous prime is 133143191. The next prime is 133143217. The reversal of 133143201 is 102341331.

It is not a de Polignac number, because 133143201 - 2¹¹ = 133141153 is a prime.

It is a super-2 number, since 2×133143201² = 35454223945052802, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (133143221) 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 23 ways as a sum of consecutive naturals, for example, 36670 + ... + 40136.

It is an arithmetic number, because the mean of its divisors is an integer number (8520876).

Almost surely, 2^133143201 is an apocalyptic number.

It is an amenable number.

133143201 is a deficient number, since it is larger than the sum of its proper divisors (71357823).

133143201 is a wasteful number, since it uses less digits than its factorization.

133143201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3741 (or 3738 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 133143201 is about 11538.7694751217. The cubic root of 133143201 is about 510.6300057438.

Adding to 133143201 its reverse (102341331), we get a palindrome (235484532).

The spelling of 133143201 in words is "one hundred thirty-three million, one hundred forty-three thousand, two hundred one".