131944914218 has 16 divisors (see below), whose sum is σ = 213894947616. Its totient is φ = 60682463280.

The previous prime is 131944914203. The next prime is 131944914221. The reversal of 131944914218 is 812419449131.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8958728 + ... + 8973443.

It is an arithmetic number, because the mean of its divisors is an integer number (13368434226).

Almost surely, 2^131944914218 is an apocalyptic number.

131944914218 is a deficient number, since it is larger than the sum of its proper divisors (81950033398).

131944914218 is a wasteful number, since it uses less digits than its factorization.

131944914218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17932469.

The product of its digits is 248832, while the sum is 47.

The spelling of 131944914218 in words is "one hundred thirty-one billion, nine hundred forty-four million, nine hundred fourteen thousand, two hundred eighteen".