131526256463 has 16 divisors (see below), whose sum is σ = 151836302400. Its totient is φ = 111596832000.

The previous prime is 131526256451. The next prime is 131526256471. The reversal of 131526256463 is 364652625131.

It is a cyclic number.

It is not a de Polignac number, because 131526256463 - 2⁶ = 131526256399 is a prime.

It is a super-2 number, since 2×131526256463² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131526256363) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3835373 + ... + 3869513.

It is an arithmetic number, because the mean of its divisors is an integer number (9489768900).

Almost surely, 2^131526256463 is an apocalyptic number.

131526256463 is a deficient number, since it is larger than the sum of its proper divisors (20310045937).

131526256463 is a wasteful number, since it uses less digits than its factorization.

131526256463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39698.

The product of its digits is 777600, while the sum is 44.

The spelling of 131526256463 in words is "one hundred thirty-one billion, five hundred twenty-six million, two hundred fifty-six thousand, four hundred sixty-three".