117785133 has 12 divisors (see below), whose sum is σ = 173344860. Its totient is φ = 77041536.

The previous prime is 117785131. The next prime is 117785141. The reversal of 117785133 is 331587711.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 65901924 + 51883209 = 8118^2 + 7203^2 .

It is not a de Polignac number, because 117785133 - 2¹ = 117785131 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117785131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 122988 + ... + 123941.

It is an arithmetic number, because the mean of its divisors is an integer number (14445405).

Almost surely, 2^117785133 is an apocalyptic number.

It is an amenable number.

117785133 is a deficient number, since it is larger than the sum of its proper divisors (55559727).

117785133 is a wasteful number, since it uses less digits than its factorization.

117785133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246988 (or 246985 counting only the distinct ones).

The product of its digits is 17640, while the sum is 36.

The square root of 117785133 is about 10852.8859295581. The cubic root of 117785133 is about 490.1889220140.

The spelling of 117785133 in words is "one hundred seventeen million, seven hundred eighty-five thousand, one hundred thirty-three".