133550211 has 8 divisors (see below), whose sum is σ = 180321280. Its totient is φ = 87906312.

The previous prime is 133550159. The next prime is 133550233. The reversal of 133550211 is 112055331.

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

It is not a de Polignac number, because 133550211 - 2¹⁰ = 133549187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133550311) 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, 281515 + ... + 281988.

It is an arithmetic number, because the mean of its divisors is an integer number (22540160).

Almost surely, 2^133550211 is an apocalyptic number.

133550211 is a deficient number, since it is larger than the sum of its proper divisors (46771069).

133550211 is an equidigital number, since it uses as much as digits as its factorization.

133550211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 563585.

The product of its (nonzero) digits is 450, while the sum is 21.

The square root of 133550211 is about 11556.3926464966. The cubic root of 133550211 is about 511.1497972170.

The spelling of 133550211 in words is "one hundred thirty-three million, five hundred fifty thousand, two hundred eleven".