131909681314 has 16 divisors (see below), whose sum is σ = 213907593600. Its totient is φ = 60794788464.

The previous prime is 131909681291. The next prime is 131909681317. The reversal of 131909681314 is 413186909131.

It is a super-2 number, since 2×131909681314² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (131909681317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46908154 + ... + 46910965.

It is an arithmetic number, because the mean of its divisors is an integer number (13369224600).

Almost surely, 2^131909681314 is an apocalyptic number.

131909681314 is a deficient number, since it is larger than the sum of its proper divisors (81997912286).

131909681314 is a wasteful number, since it uses less digits than its factorization.

131909681314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93819177.

The product of its (nonzero) digits is 139968, while the sum is 46.

The spelling of 131909681314 in words is "one hundred thirty-one billion, nine hundred nine million, six hundred eighty-one thousand, three hundred fourteen".