134680012447 has 2 divisors, whose sum is σ = 134680012448. Its totient is φ = 134680012446.

The previous prime is 134680012429. The next prime is 134680012457. The reversal of 134680012447 is 744210086431.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-134680012447 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134680012417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67340006223 + 67340006224.

It is an arithmetic number, because the mean of its divisors is an integer number (67340006224).

Almost surely, 2^134680012447 is an apocalyptic number.

134680012447 is a deficient number, since it is larger than the sum of its proper divisors (1).

134680012447 is an equidigital number, since it uses as much as digits as its factorization.

134680012447 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 129024, while the sum is 40.

Adding to 134680012447 its reverse (744210086431), we get a palindrome (878890098878).

The spelling of 134680012447 in words is "one hundred thirty-four billion, six hundred eighty million, twelve thousand, four hundred forty-seven".