133442201 has 8 divisors (see below), whose sum is σ = 136720320. Its totient is φ = 130172112.

The previous prime is 133442191. The next prime is 133442207. The reversal of 133442201 is 102244331.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133442201 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (133442207) 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, 44516 + ... + 47418.

It is an arithmetic number, because the mean of its divisors is an integer number (17090040).

Almost surely, 2^133442201 is an apocalyptic number.

It is an amenable number.

133442201 is a deficient number, since it is larger than the sum of its proper divisors (3278119).

133442201 is a wasteful number, since it uses less digits than its factorization.

133442201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4015.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 133442201 is about 11551.7185301582. The cubic root of 133442201 is about 511.0119609692.

Adding to 133442201 its reverse (102244331), we get a palindrome (235686532).

The spelling of 133442201 in words is "one hundred thirty-three million, four hundred forty-two thousand, two hundred one".