134395068979 has 2 divisors, whose sum is σ = 134395068980. Its totient is φ = 134395068978.

The previous prime is 134395068971. The next prime is 134395069001. The reversal of 134395068979 is 979860593431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 134395068979 - 2³ = 134395068971 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 134395068979.

It is not a weakly prime, because it can be changed into another prime (134395068971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67197534489 + 67197534490.

It is an arithmetic number, because the mean of its divisors is an integer number (67197534490).

Almost surely, 2^134395068979 is an apocalyptic number.

134395068979 is a deficient number, since it is larger than the sum of its proper divisors (1).

134395068979 is an equidigital number, since it uses as much as digits as its factorization.

134395068979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 44089920, while the sum is 64.

The spelling of 134395068979 in words is "one hundred thirty-four billion, three hundred ninety-five million, sixty-eight thousand, nine hundred seventy-nine".