133141213 has 4 divisors (see below), whose sum is σ = 134745408. Its totient is φ = 131537020.

The previous prime is 133141159. The next prime is 133141219. The reversal of 133141213 is 312141331.

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, and also an emirpimes, since its reverse is a distinct semiprime: 312141331 = 61 ⋅5117071.

It is a cyclic number.

It is not a de Polignac number, because 133141213 - 2⁹ = 133140701 is a prime.

It is a super-2 number, since 2×133141213² = 35453165198222738, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133141219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 801973 + ... + 802138.

It is an arithmetic number, because the mean of its divisors is an integer number (33686352).

Almost surely, 2^133141213 is an apocalyptic number.

It is an amenable number.

133141213 is a deficient number, since it is larger than the sum of its proper divisors (1604195).

133141213 is an equidigital number, since it uses as much as digits as its factorization.

133141213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1604194.

The product of its digits is 216, while the sum is 19.

The square root of 133141213 is about 11538.6833304325. The cubic root of 133141213 is about 510.6274642759.

Adding to 133141213 its reverse (312141331), we get a palindrome (445282544).

The spelling of 133141213 in words is "one hundred thirty-three million, one hundred forty-one thousand, two hundred thirteen".