131942708181 has 12 divisors (see below), whose sum is σ = 190658889408. Its totient is φ = 87927200424.

The previous prime is 131942708137. The next prime is 131942708221. The reversal of 131942708181 is 181807249131.

It is a happy number.

131942708181 is a `hidden beast` number, since 13 + 194 + 270 + 8 + 181 = 666.

It is not a de Polignac number, because 131942708181 - 2²⁷ = 131808490453 is a prime.

It is a super-2 number, since 2×131942708181² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131942708101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2859595 + ... + 2905368.

It is an arithmetic number, because the mean of its divisors is an integer number (15888240784).

Almost surely, 2^131942708181 is an apocalyptic number.

It is an amenable number.

131942708181 is a deficient number, since it is larger than the sum of its proper divisors (58716181227).

131942708181 is a wasteful number, since it uses less digits than its factorization.

131942708181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5767512 (or 5767509 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 45.

The spelling of 131942708181 in words is "one hundred thirty-one billion, nine hundred forty-two million, seven hundred eight thousand, one hundred eighty-one".