117147264 has 128 divisors (see below), whose sum is σ = 346375680. Its totient is φ = 34836480.

The previous prime is 117147263. The next prime is 117147271. The reversal of 117147264 is 462741711.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117147263) 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 15 ways as a sum of consecutive naturals, for example, 154374 + ... + 155130.

It is an arithmetic number, because the mean of its divisors is an integer number (2706060).

Almost surely, 2^117147264 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 117147264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173187840).

117147264 is an abundant number, since it is smaller than the sum of its proper divisors (229228416).

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

117147264 is a wasteful number, since it uses less digits than its factorization.

117147264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 818 (or 806 counting only the distinct ones).

The product of its digits is 9408, while the sum is 33.

The square root of 117147264 is about 10823.4589665227. The cubic root of 117147264 is about 489.3024421165.

Adding to 117147264 its reverse (462741711), we get a palindrome (579888975).

The spelling of 117147264 in words is "one hundred seventeen million, one hundred forty-seven thousand, two hundred sixty-four".