134608214789 has 2 divisors, whose sum is σ = 134608214790. Its totient is φ = 134608214788.

The previous prime is 134608214759. The next prime is 134608214801. The reversal of 134608214789 is 987412806431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 86803890625 + 47804324164 = 294625^2 + 218642^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-134608214789 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 134608214789.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134608214759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67304107394 + 67304107395.

It is an arithmetic number, because the mean of its divisors is an integer number (67304107395).

Almost surely, 2^134608214789 is an apocalyptic number.

It is an amenable number.

134608214789 is a deficient number, since it is larger than the sum of its proper divisors (1).

134608214789 is an equidigital number, since it uses as much as digits as its factorization.

134608214789 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2322432, while the sum is 53.

The spelling of 134608214789 in words is "one hundred thirty-four billion, six hundred eight million, two hundred fourteen thousand, seven hundred eighty-nine".