131182194140 has 12 divisors (see below), whose sum is σ = 275482607736. Its totient is φ = 52472877648.

The previous prime is 131182194139. The next prime is 131182194179. The reversal of 131182194140 is 41491281131.

It is a self number, because there is not a number n which added to its sum of digits gives 131182194140.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3279554834 + ... + 3279554873.

It is an arithmetic number, because the mean of its divisors is an integer number (22956883978).

Almost surely, 2^131182194140 is an apocalyptic number.

131182194140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131182194140 is an abundant number, since it is smaller than the sum of its proper divisors (144300413596).

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

131182194140 is a wasteful number, since it uses less digits than its factorization.

131182194140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6559109716 (or 6559109714 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 35.

The spelling of 131182194140 in words is "one hundred thirty-one billion, one hundred eighty-two million, one hundred ninety-four thousand, one hundred forty".