131415616727 has 2 divisors, whose sum is σ = 131415616728. Its totient is φ = 131415616726.

The previous prime is 131415616687. The next prime is 131415616729. The reversal of 131415616727 is 727616514131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 131415616727 - 2¹⁸ = 131415354583 is a prime.

Together with 131415616729, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131415616729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65707808363 + 65707808364.

It is an arithmetic number, because the mean of its divisors is an integer number (65707808364).

Almost surely, 2^131415616727 is an apocalyptic number.

131415616727 is a deficient number, since it is larger than the sum of its proper divisors (1).

131415616727 is an equidigital number, since it uses as much as digits as its factorization.

131415616727 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 211680, while the sum is 44.

The spelling of 131415616727 in words is "one hundred thirty-one billion, four hundred fifteen million, six hundred sixteen thousand, seven hundred twenty-seven".