133104213 has 12 divisors (see below), whose sum is σ = 209740128. Its totient is φ = 80669160.

The previous prime is 133104211. The next prime is 133104241. The reversal of 133104213 is 312401331.

It is not a de Polignac number, because 133104213 - 2¹ = 133104211 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133104211) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 672145 + ... + 672342.

It is an arithmetic number, because the mean of its divisors is an integer number (17478344).

Almost surely, 2^133104213 is an apocalyptic number.

It is an amenable number.

133104213 is a deficient number, since it is larger than the sum of its proper divisors (76635915).

133104213 is a wasteful number, since it uses less digits than its factorization.

133104213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1344504 (or 1344501 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 133104213 is about 11537.0799165127. The cubic root of 133104213 is about 510.5801586967.

Adding to 133104213 its reverse (312401331), we get a palindrome (445505544).

The spelling of 133104213 in words is "one hundred thirty-three million, one hundred four thousand, two hundred thirteen".