131342166 has 24 divisors (see below), whose sum is σ = 287189760. Its totient is φ = 43378416.

The previous prime is 131342137. The next prime is 131342173. The reversal of 131342166 is 661243131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31510 + ... + 35433.

It is an arithmetic number, because the mean of its divisors is an integer number (11966240).

Almost surely, 2^131342166 is an apocalyptic number.

131342166 is an abundant number, since it is smaller than the sum of its proper divisors (155847594).

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

131342166 is a wasteful number, since it uses less digits than its factorization.

131342166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67060 (or 67057 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 131342166 is about 11460.4609854927. The cubic root of 131342166 is about 508.3171057318.

Adding to 131342166 its reverse (661243131), we get a palindrome (792585297).

The spelling of 131342166 in words is "one hundred thirty-one million, three hundred forty-two thousand, one hundred sixty-six".