131264616547 has 2 divisors, whose sum is σ = 131264616548. Its totient is φ = 131264616546.

The previous prime is 131264616521. The next prime is 131264616577. The reversal of 131264616547 is 745616462131.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (745616462131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 131264616547 - 2⁷ = 131264616419 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131264616497 and 131264616506.

It is not a weakly prime, because it can be changed into another prime (131264616517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65632308273 + 65632308274.

It is an arithmetic number, because the mean of its divisors is an integer number (65632308274).

Almost surely, 2^131264616547 is an apocalyptic number.

131264616547 is a deficient number, since it is larger than the sum of its proper divisors (1).

131264616547 is an equidigital number, since it uses as much as digits as its factorization.

131264616547 is an evil number, because the sum of its binary digits is even.

The product of its digits is 725760, while the sum is 46.

The spelling of 131264616547 in words is "one hundred thirty-one billion, two hundred sixty-four million, six hundred sixteen thousand, five hundred forty-seven".