133120213 has 8 divisors (see below), whose sum is σ = 140940000. Its totient is φ = 125381808.

The previous prime is 133120201. The next prime is 133120261. The reversal of 133120213 is 312021331.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133120213 is a prime.

It is a super-3 number, since 3×133120213³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133120513) 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, 16963 + ... + 23536.

It is an arithmetic number, because the mean of its divisors is an integer number (17617500).

Almost surely, 2^133120213 is an apocalyptic number.

It is an amenable number.

133120213 is a deficient number, since it is larger than the sum of its proper divisors (7819787).

133120213 is a wasteful number, since it uses less digits than its factorization.

133120213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40691.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 133120213 is about 11537.7733120390. The cubic root of 133120213 is about 510.6006162391.

Adding to 133120213 its reverse (312021331), we get a palindrome (445141544).

The spelling of 133120213 in words is "one hundred thirty-three million, one hundred twenty thousand, two hundred thirteen".