131505456463 has 2 divisors, whose sum is σ = 131505456464. Its totient is φ = 131505456462.

The previous prime is 131505456421. The next prime is 131505456541. The reversal of 131505456463 is 364654505131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 131505456463 - 2⁹ = 131505455951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131505456403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65752728231 + 65752728232.

It is an arithmetic number, because the mean of its divisors is an integer number (65752728232).

Almost surely, 2^131505456463 is an apocalyptic number.

131505456463 is a deficient number, since it is larger than the sum of its proper divisors (1).

131505456463 is an equidigital number, since it uses as much as digits as its factorization.

131505456463 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648000, while the sum is 43.

The spelling of 131505456463 in words is "one hundred thirty-one billion, five hundred five million, four hundred fifty-six thousand, four hundred sixty-three".