117809134 has 16 divisors (see below), whose sum is σ = 179064288. Its totient is φ = 58125312.

The previous prime is 117809071. The next prime is 117809149. The reversal of 117809134 is 431908711.

It is a self number, because there is not a number n which added to its sum of digits gives 117809134.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68574 + ... + 70270.

It is an arithmetic number, because the mean of its divisors is an integer number (11191518).

Almost surely, 2^117809134 is an apocalyptic number.

117809134 is a deficient number, since it is larger than the sum of its proper divisors (61255154).

117809134 is a wasteful number, since it uses less digits than its factorization.

117809134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2139.

The product of its (nonzero) digits is 6048, while the sum is 34.

The square root of 117809134 is about 10853.9916159909. The cubic root of 117809134 is about 490.2222149121. Note that the first 4 decimals are identical.

The spelling of 117809134 in words is "one hundred seventeen million, eight hundred nine thousand, one hundred thirty-four".