108133791 has 4 divisors (see below), whose sum is σ = 144178392. Its totient is φ = 72089192.

The previous prime is 108133789. The next prime is 108133849. The reversal of 108133791 is 197331801.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 108133791 - 2¹ = 108133789 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108153791) 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 3 ways as a sum of consecutive naturals, for example, 18022296 + ... + 18022301.

It is an arithmetic number, because the mean of its divisors is an integer number (36044598).

Almost surely, 2^108133791 is an apocalyptic number.

108133791 is a deficient number, since it is larger than the sum of its proper divisors (36044601).

108133791 is an equidigital number, since it uses as much as digits as its factorization.

108133791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36044600.

The product of its (nonzero) digits is 4536, while the sum is 33.

The square root of 108133791 is about 10398.7398755811. The cubic root of 108133791 is about 476.4168825676.

The spelling of 108133791 in words is "one hundred eight million, one hundred thirty-three thousand, seven hundred ninety-one".