133105105 has 16 divisors (see below), whose sum is σ = 183352320. Its totient is φ = 90868032.

The previous prime is 133105097. The next prime is 133105129. The reversal of 133105105 is 501501331.

It is a cyclic number.

It is not a de Polignac number, because 133105105 - 2³ = 133105097 is a prime.

It is a super-2 number, since 2×133105105² = 35433937954122050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 289 + ... + 16318.

It is an arithmetic number, because the mean of its divisors is an integer number (11459520).

Almost surely, 2^133105105 is an apocalyptic number.

It is an amenable number.

133105105 is a deficient number, since it is larger than the sum of its proper divisors (50247215).

133105105 is a wasteful number, since it uses less digits than its factorization.

133105105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16848.

The product of its (nonzero) digits is 225, while the sum is 19.

The square root of 133105105 is about 11537.1185744102. The cubic root of 133105105 is about 510.5812992478.

Adding to 133105105 its reverse (501501331), we get a palindrome (634606436).

The spelling of 133105105 in words is "one hundred thirty-three million, one hundred five thousand, one hundred five".