117682146 has 40 divisors (see below), whose sum is σ = 266449260. Its totient is φ = 38817792.

The previous prime is 117682139. The next prime is 117682151. The reversal of 117682146 is 641286711.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 117614025 + 68121 = 10845^2 + 261^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 117682146.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 11970 + ... + 19458.

Almost surely, 2^117682146 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 117682146, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133224630).

117682146 is an abundant number, since it is smaller than the sum of its proper divisors (148767114).

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

117682146 is an equidigital number, since it uses as much as digits as its factorization.

117682146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7600 (or 7591 counting only the distinct ones).

The product of its digits is 16128, while the sum is 36.

The square root of 117682146 is about 10848.1402092709. The cubic root of 117682146 is about 490.0460126165.

The spelling of 117682146 in words is "one hundred seventeen million, six hundred eighty-two thousand, one hundred forty-six".