131366435126 has 8 divisors (see below), whose sum is σ = 197068293360. Its totient is φ = 65677004008.

The previous prime is 131366435077. The next prime is 131366435173. The reversal of 131366435126 is 621534663131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 3080306 + ... + 3122661.

It is an arithmetic number, because the mean of its divisors is an integer number (24633536670).

Almost surely, 2^131366435126 is an apocalyptic number.

131366435126 is a deficient number, since it is larger than the sum of its proper divisors (65701858234).

131366435126 is a wasteful number, since it uses less digits than its factorization.

131366435126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6213558.

The product of its digits is 233280, while the sum is 41.

The spelling of 131366435126 in words is "one hundred thirty-one billion, three hundred sixty-six million, four hundred thirty-five thousand, one hundred twenty-six".