133605201 has 8 divisors (see below), whose sum is σ = 178378624. Its totient is φ = 88950960.

The previous prime is 133605191. The next prime is 133605221. The reversal of 133605201 is 102506331.

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

It is not a de Polignac number, because 133605201 - 2¹⁴ = 133588817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133605221) 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, 27145 + ... + 31686.

It is an arithmetic number, because the mean of its divisors is an integer number (22297328).

Almost surely, 2^133605201 is an apocalyptic number.

It is an amenable number.

133605201 is a deficient number, since it is larger than the sum of its proper divisors (44773423).

133605201 is an equidigital number, since it uses as much as digits as its factorization.

133605201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59591.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 133605201 is about 11558.7716042839. The cubic root of 133605201 is about 511.2199437937.

The spelling of 133605201 in words is "one hundred thirty-three million, six hundred five thousand, two hundred one".