131758836196 has 81 divisors (see below), whose sum is σ = 261437395401. Its totient is φ = 58071952224.

The previous prime is 131758836169. The next prime is 131758836217. The reversal of 131758836196 is 691638857131.

It is a happy number.

The square root of 131758836196 is 362986.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 19490952100 + 112267884096 = 139610^2 + 335064^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 131758836196.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 217065325 + ... + 217065931.

Almost surely, 2^131758836196 is an apocalyptic number.

131758836196 is the 362986-th square number.

It is an amenable number.

131758836196 is a deficient number, since it is larger than the sum of its proper divisors (129678559205).

131758836196 is an equidigital number, since it uses as much as digits as its factorization.

131758836196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1290 (or 645 counting only the distinct ones).

The product of its digits is 6531840, while the sum is 58.

The spelling of 131758836196 in words is "one hundred thirty-one billion, seven hundred fifty-eight million, eight hundred thirty-six thousand, one hundred ninety-six".