134561459 has 2 divisors, whose sum is σ = 134561460. Its totient is φ = 134561458.

The previous prime is 134561447. The next prime is 134561501. The reversal of 134561459 is 954165431.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-134561459 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (134561429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67280729 + 67280730.

It is an arithmetic number, because the mean of its divisors is an integer number (67280730).

Almost surely, 2^134561459 is an apocalyptic number.

134561459 is a deficient number, since it is larger than the sum of its proper divisors (1).

134561459 is an equidigital number, since it uses as much as digits as its factorization.

134561459 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 64800, while the sum is 38.

The square root of 134561459 is about 11600.0628877606. The cubic root of 134561459 is about 512.4367039815.

The spelling of 134561459 in words is "one hundred thirty-four million, five hundred sixty-one thousand, four hundred fifty-nine".