117317540 has 24 divisors (see below), whose sum is σ = 246580152. Its totient is φ = 46886400.

The previous prime is 117317539. The next prime is 117317569. The reversal of 117317540 is 45713711.

It can be written as a sum of positive squares in 4 ways, for example, as 3297856 + 114019684 = 1816^2 + 10678^2 .

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, 33890 + ... + 37190.

It is an arithmetic number, because the mean of its divisors is an integer number (10274173).

Almost surely, 2^117317540 is an apocalyptic number.

117317540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

117317540 is an abundant number, since it is smaller than the sum of its proper divisors (129262612).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

117317540 is a wasteful number, since it uses less digits than its factorization.

117317540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5087 (or 5085 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 29.

The square root of 117317540 is about 10831.3221722927. The cubic root of 117317540 is about 489.5393977936.

The spelling of 117317540 in words is "one hundred seventeen million, three hundred seventeen thousand, five hundred forty".