133687107 has 12 divisors (see below), whose sum is σ = 195824304. Its totient is φ = 87869040.

The previous prime is 133687087. The next prime is 133687111. The reversal of 133687107 is 701786331.

It is not a de Polignac number, because 133687107 - 2⁸ = 133686851 is a prime.

It is not an unprimeable number, because it can be changed into a prime (133687117) 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 11 ways as a sum of consecutive naturals, for example, 103968 + ... + 105245.

It is an arithmetic number, because the mean of its divisors is an integer number (16318692).

Almost surely, 2^133687107 is an apocalyptic number.

133687107 is a deficient number, since it is larger than the sum of its proper divisors (62137197).

133687107 is a wasteful number, since it uses less digits than its factorization.

133687107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209290 (or 209287 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 133687107 is about 11562.3140849918. The cubic root of 133687107 is about 511.3243893962.

The spelling of 133687107 in words is "one hundred thirty-three million, six hundred eighty-seven thousand, one hundred seven".