133211164 has 12 divisors (see below), whose sum is σ = 233360344. Its totient is φ = 66536784.

The previous prime is 133211161. The next prime is 133211171. The reversal of 133211164 is 461112331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133211161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12714 + ... + 20689.

Almost surely, 2^133211164 is an apocalyptic number.

It is an amenable number.

133211164 is a deficient number, since it is larger than the sum of its proper divisors (100149180).

133211164 is a wasteful number, since it uses less digits than its factorization.

133211164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34404 (or 34402 counting only the distinct ones).

The product of its digits is 432, while the sum is 22.

The square root of 133211164 is about 11541.7140841385. The cubic root of 133211164 is about 510.7168747280.

Adding to 133211164 its reverse (461112331), we get a palindrome (594323495).

The spelling of 133211164 in words is "one hundred thirty-three million, two hundred eleven thousand, one hundred sixty-four".