117499309 has 8 divisors (see below), whose sum is σ = 121184888. Its totient is φ = 113840640.

The previous prime is 117499303. The next prime is 117499339. The reversal of 117499309 is 903994711.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 63520900 + 53978409 = 7970^2 + 7347^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 117499309 - 2¹⁹ = 116975021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117499303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2329 + ... + 15505.

It is an arithmetic number, because the mean of its divisors is an integer number (15148111).

Almost surely, 2^117499309 is an apocalyptic number.

It is an amenable number.

117499309 is a deficient number, since it is larger than the sum of its proper divisors (3685579).

117499309 is a wasteful number, since it uses less digits than its factorization.

117499309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13455.

The product of its (nonzero) digits is 61236, while the sum is 43.

The square root of 117499309 is about 10839.7098208393. The cubic root of 117499309 is about 489.7920942226.

The spelling of 117499309 in words is "one hundred seventeen million, four hundred ninety-nine thousand, three hundred nine".