133834111 has 4 divisors (see below), whose sum is σ = 133910224. Its totient is φ = 133758000.

The previous prime is 133834109. The next prime is 133834121. The reversal of 133834111 is 111438331.

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 133834111 - 2¹ = 133834109 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 (133834121) 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, 35355 + ... + 38956.

It is an arithmetic number, because the mean of its divisors is an integer number (33477556).

Almost surely, 2^133834111 is an apocalyptic number.

133834111 is a deficient number, since it is larger than the sum of its proper divisors (76113).

133834111 is an equidigital number, since it uses as much as digits as its factorization.

133834111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76112.

The product of its digits is 864, while the sum is 25.

The square root of 133834111 is about 11568.6693703295. The cubic root of 133834111 is about 511.5117402875.

The spelling of 133834111 in words is "one hundred thirty-three million, eight hundred thirty-four thousand, one hundred eleven".