133045111 has 4 divisors (see below), whose sum is σ = 140871312. Its totient is φ = 125218912.

The previous prime is 133045093. The next prime is 133045141. The reversal of 133045111 is 111540331.

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 133045111 - 2²³ = 124656503 is a prime.

It is a super-2 number, since 2×133045111² = 35402003122004642, 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 (133045141) 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, 3913075 + ... + 3913108.

It is an arithmetic number, because the mean of its divisors is an integer number (35217828).

Almost surely, 2^133045111 is an apocalyptic number.

133045111 is a deficient number, since it is larger than the sum of its proper divisors (7826201).

133045111 is an equidigital number, since it uses as much as digits as its factorization.

133045111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7826200.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 133045111 is about 11534.5182387476. The cubic root of 133045111 is about 510.5045768767.

Adding to 133045111 its reverse (111540331), we get a palindrome (244585442).

The spelling of 133045111 in words is "one hundred thirty-three million, forty-five thousand, one hundred eleven".