133133105 has 16 divisors (see below), whose sum is σ = 183241344. Its totient is φ = 90961920.

The previous prime is 133133101. The next prime is 133133107. The reversal of 133133105 is 501331331.

It is not a de Polignac number, because 133133105 - 2² = 133133101 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (133133101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3185 + ... + 16625.

It is an arithmetic number, because the mean of its divisors is an integer number (11452584).

Almost surely, 2^133133105 is an apocalyptic number.

It is an amenable number.

133133105 is a deficient number, since it is larger than the sum of its proper divisors (50108239).

133133105 is a wasteful number, since it uses less digits than its factorization.

133133105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13736.

The product of its (nonzero) digits is 405, while the sum is 20.

The square root of 133133105 is about 11538.3319851701. The cubic root of 133133105 is about 510.6170987113.

Adding to 133133105 its reverse (501331331), we get a palindrome (634464436).

The spelling of 133133105 in words is "one hundred thirty-three million, one hundred thirty-three thousand, one hundred five".