134679866449 has 2 divisors, whose sum is σ = 134679866450. Its totient is φ = 134679866448.

The previous prime is 134679866359. The next prime is 134679866473. The reversal of 134679866449 is 944668976431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 75972999424 + 58706867025 = 275632^2 + 242295^2 .

It is a cyclic number.

It is not a de Polignac number, because 134679866449 - 2²¹ = 134677769297 is a prime.

It is not a weakly prime, because it can be changed into another prime (134679866249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67339933224 + 67339933225.

It is an arithmetic number, because the mean of its divisors is an integer number (67339933225).

Almost surely, 2^134679866449 is an apocalyptic number.

It is an amenable number.

134679866449 is a deficient number, since it is larger than the sum of its proper divisors (1).

134679866449 is an equidigital number, since it uses as much as digits as its factorization.

134679866449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 188116992, while the sum is 67.

The spelling of 134679866449 in words is "one hundred thirty-four billion, six hundred seventy-nine million, eight hundred sixty-six thousand, four hundred forty-nine".