133541211 has 16 divisors (see below), whose sum is σ = 184107008. Its totient is φ = 86011200.

The previous prime is 133541189. The next prime is 133541227. The reversal of 133541211 is 112145331.

It is not a de Polignac number, because 133541211 - 2⁹ = 133540699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133541231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100431 + ... + 101751.

It is an arithmetic number, because the mean of its divisors is an integer number (11506688).

Almost surely, 2^133541211 is an apocalyptic number.

133541211 is a deficient number, since it is larger than the sum of its proper divisors (50565797).

133541211 is a wasteful number, since it uses less digits than its factorization.

133541211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2442.

The product of its digits is 360, while the sum is 21.

The square root of 133541211 is about 11556.0032450670. The cubic root of 133541211 is about 511.1383147654.

Adding to 133541211 its reverse (112145331), we get a palindrome (245686542).

The spelling of 133541211 in words is "one hundred thirty-three million, five hundred forty-one thousand, two hundred eleven".