133811107 has 2 divisors, whose sum is σ = 133811108. Its totient is φ = 133811106.

The previous prime is 133811099. The next prime is 133811113. The reversal of 133811107 is 701118331.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 133811107 - 2³ = 133811099 is a prime.

It is not a weakly prime, because it can be changed into another prime (133811177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66905553 + 66905554.

It is an arithmetic number, because the mean of its divisors is an integer number (66905554).

Almost surely, 2^133811107 is an apocalyptic number.

133811107 is a deficient number, since it is larger than the sum of its proper divisors (1).

133811107 is an equidigital number, since it uses as much as digits as its factorization.

133811107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 25.

The square root of 133811107 is about 11567.6750905271. The cubic root of 133811107 is about 511.4824316401.

Adding to 133811107 its reverse (701118331), we get a palindrome (834929438).

The spelling of 133811107 in words is "one hundred thirty-three million, eight hundred eleven thousand, one hundred seven".