133020213 has 8 divisors (see below), whose sum is σ = 177444576. Its totient is φ = 88638000.

The previous prime is 133020137. The next prime is 133020227. The reversal of 133020213 is 312020331.

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

It is a de Polignac number, because none of the positive numbers 2^k-133020213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 133020192 and 133020201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133020253) 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, 2238 + ... + 16463.

It is an arithmetic number, because the mean of its divisors is an integer number (22180572).

Almost surely, 2^133020213 is an apocalyptic number.

It is an amenable number.

133020213 is a deficient number, since it is larger than the sum of its proper divisors (44424363).

133020213 is a wasteful number, since it uses less digits than its factorization.

133020213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21075.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 133020213 is about 11533.4389060679. The cubic root of 133020213 is about 510.4727296939.

Adding to 133020213 its reverse (312020331), we get a palindrome (445040544).

The spelling of 133020213 in words is "one hundred thirty-three million, twenty thousand, two hundred thirteen".