133013211 has 4 divisors (see below), whose sum is σ = 177350952. Its totient is φ = 88675472.

The previous prime is 133013207. The next prime is 133013213. The reversal of 133013211 is 112310331.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 133013211 - 2² = 133013207 is a prime.

It is a super-3 number, since 3×133013211³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (133013213) 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, 22168866 + ... + 22168871.

It is an arithmetic number, because the mean of its divisors is an integer number (44337738).

Almost surely, 2^133013211 is an apocalyptic number.

133013211 is a deficient number, since it is larger than the sum of its proper divisors (44337741).

133013211 is an equidigital number, since it uses as much as digits as its factorization.

133013211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44337740.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 133013211 is about 11533.1353499385. The cubic root of 133013211 is about 510.4637726772.

Adding to 133013211 its reverse (112310331), we get a palindrome (245323542).

It can be divided in two parts, 1330 and 13211, that added together give a palindrome (14541).

The spelling of 133013211 in words is "one hundred thirty-three million, thirteen thousand, two hundred eleven".