133443201 has 8 divisors (see below), whose sum is σ = 182733184. Its totient is φ = 86557680.

The previous prime is 133443179. The next prime is 133443221. The reversal of 133443201 is 102344331.

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

It is not a de Polignac number, because 133443201 - 2⁹ = 133442689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133443221) 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, 600985 + ... + 601206.

It is an arithmetic number, because the mean of its divisors is an integer number (22841648).

Almost surely, 2^133443201 is an apocalyptic number.

It is an amenable number.

133443201 is a deficient number, since it is larger than the sum of its proper divisors (49289983).

133443201 is a wasteful number, since it uses less digits than its factorization.

133443201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1202231.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 133443201 is about 11551.7618136802. The cubic root of 133443201 is about 511.0132374536.

Adding to 133443201 its reverse (102344331), we get a palindrome (235787532).

The spelling of 133443201 in words is "one hundred thirty-three million, four hundred forty-three thousand, two hundred one".