133134111 has 24 divisors (see below), whose sum is σ = 217561344. Its totient is φ = 80685720.

The previous prime is 133134107. The next prime is 133134137. The reversal of 133134111 is 111431331.

It is not a de Polignac number, because 133134111 - 2² = 133134107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133134101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22231 + ... + 27576.

It is an arithmetic number, because the mean of its divisors is an integer number (9065056).

Almost surely, 2^133134111 is an apocalyptic number.

133134111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

133134111 is a deficient number, since it is larger than the sum of its proper divisors (84427233).

133134111 is an equidigital number, since it uses as much as digits as its factorization.

133134111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49833 (or 49821 counting only the distinct ones).

The product of its digits is 108, while the sum is 18.

The square root of 133134111 is about 11538.3755789106. The cubic root of 133134111 is about 510.6183848415.

Adding to 133134111 its reverse (111431331), we get a palindrome (244565442).

It can be divided in two parts, 13313 and 4111, that added together give a square (17424 = 132²).

The spelling of 133134111 in words is "one hundred thirty-three million, one hundred thirty-four thousand, one hundred eleven".