133211133 has 24 divisors (see below), whose sum is σ = 222258816. Its totient is φ = 75984000.

The previous prime is 133211093. The next prime is 133211153. The reversal of 133211133 is 331112331.

It is a happy number.

It is not a de Polignac number, because 133211133 - 2⁶ = 133211069 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133211153) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37893 + ... + 41258.

It is an arithmetic number, because the mean of its divisors is an integer number (9260784).

Almost surely, 2^133211133 is an apocalyptic number.

It is an amenable number.

133211133 is a deficient number, since it is larger than the sum of its proper divisors (89047683).

133211133 is a wasteful number, since it uses less digits than its factorization.

133211133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79185 (or 79182 counting only the distinct ones).

The product of its digits is 162, while the sum is 18.

The square root of 133211133 is about 11541.7127411836. The cubic root of 133211133 is about 510.7168351111.

Adding to 133211133 its reverse (331112331), we get a palindrome (464323464).

The spelling of 133211133 in words is "one hundred thirty-three million, two hundred eleven thousand, one hundred thirty-three".