133201133 has 8 divisors (see below), whose sum is σ = 143591448. Its totient is φ = 122831424.

The previous prime is 133201099. The next prime is 133201151. The reversal of 133201133 is 331102331.

It can be written as a sum of positive squares in 4 ways, for example, as 20268004 + 112933129 = 4502^2 + 10627^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 133201133 - 2⁸ = 133200877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133201633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9935 + ... + 19107.

It is an arithmetic number, because the mean of its divisors is an integer number (17948931).

Almost surely, 2^133201133 is an apocalyptic number.

133201133 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

133201133 is a deficient number, since it is larger than the sum of its proper divisors (10390315).

133201133 is a wasteful number, since it uses less digits than its factorization.

133201133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10303.

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 133201133 is about 11541.2795217861. The cubic root of 133201133 is about 510.7040551579.

Adding to 133201133 its reverse (331102331), we get a palindrome (464303464).

The spelling of 133201133 in words is "one hundred thirty-three million, two hundred one thousand, one hundred thirty-three".