133414213 has 4 divisors (see below), whose sum is σ = 133799040. Its totient is φ = 133029388.

The previous prime is 133414201. The next prime is 133414217. The reversal of 133414213 is 312414331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133414213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133414217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 191893 + ... + 192586.

It is an arithmetic number, because the mean of its divisors is an integer number (33449760).

Almost surely, 2^133414213 is an apocalyptic number.

It is an amenable number.

133414213 is a deficient number, since it is larger than the sum of its proper divisors (384827).

133414213 is an equidigital number, since it uses as much as digits as its factorization.

133414213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384826.

The product of its digits is 864, while the sum is 22.

The square root of 133414213 is about 11550.5070451474. The cubic root of 133414213 is about 510.9762321350.

Adding to 133414213 its reverse (312414331), we get a palindrome (445828544).

The spelling of 133414213 in words is "one hundred thirty-three million, four hundred fourteen thousand, two hundred thirteen".