131108619727 has 2 divisors, whose sum is σ = 131108619728. Its totient is φ = 131108619726.

The previous prime is 131108619713. The next prime is 131108619769. The reversal of 131108619727 is 727916801131.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131108619727 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131108619797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65554309863 + 65554309864.

It is an arithmetic number, because the mean of its divisors is an integer number (65554309864).

Almost surely, 2^131108619727 is an apocalyptic number.

131108619727 is a deficient number, since it is larger than the sum of its proper divisors (1).

131108619727 is an equidigital number, since it uses as much as digits as its factorization.

131108619727 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 127008, while the sum is 46.

The spelling of 131108619727 in words is "one hundred thirty-one billion, one hundred eight million, six hundred nineteen thousand, seven hundred twenty-seven".