131168982 has 48 divisors (see below), whose sum is σ = 309769920. Its totient is φ = 36911952.

The previous prime is 131168969. The next prime is 131168987. The reversal of 131168982 is 289861131.

It is a self number, because there is not a number n which added to its sum of digits gives 131168982.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131168987) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 16369 + ... + 23027.

It is an arithmetic number, because the mean of its divisors is an integer number (6453540).

Almost surely, 2^131168982 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131168982, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154884960).

131168982 is an abundant number, since it is smaller than the sum of its proper divisors (178600938).

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

131168982 is a wasteful number, since it uses less digits than its factorization.

131168982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6745 (or 6738 counting only the distinct ones).

The product of its digits is 20736, while the sum is 39.

The square root of 131168982 is about 11452.9027761524. The cubic root of 131168982 is about 508.0935900272.

The spelling of 131168982 in words is "one hundred thirty-one million, one hundred sixty-eight thousand, nine hundred eighty-two".