117343540 has 24 divisors (see below), whose sum is σ = 247080960. Its totient is φ = 46811808.

The previous prime is 117343531. The next prime is 117343543. The reversal of 117343540 is 45343711.

117343540 is a nontrivial binomial coefficient, being equal to C(15320, 2).

It is a junction number, because it is equal to n+sod(n) for n = 117343499 and 117343508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117343543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1 + ... + 15319.

It is an arithmetic number, because the mean of its divisors is an integer number (10295040).

Almost surely, 2^117343540 is an apocalyptic number.

117343540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

117343540 is the 15319-th triangular number and also the 7660-th hexagonal number.

117343540 is the 5107-th centered nonagonal number.

It is an amenable number.

117343540 is an abundant number, since it is smaller than the sum of its proper divisors (129737420).

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

117343540 is a wasteful number, since it uses less digits than its factorization.

117343540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15711 (or 15709 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 117343540 is about 10832.5223286177. The cubic root of 117343540 is about 489.5755591502.

The spelling of 117343540 in words is "one hundred seventeen million, three hundred forty-three thousand, five hundred forty".