134404467257 has 2 divisors, whose sum is σ = 134404467258. Its totient is φ = 134404467256.

The previous prime is 134404467187. The next prime is 134404467277. The reversal of 134404467257 is 752764404431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 121943433616 + 12461033641 = 349204^2 + 111629^2 .

It is a cyclic number.

It is not a de Polignac number, because 134404467257 - 2¹⁶ = 134404401721 is a prime.

It is not a weakly prime, because it can be changed into another prime (134404467277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67202233628 + 67202233629.

It is an arithmetic number, because the mean of its divisors is an integer number (67202233629).

Almost surely, 2^134404467257 is an apocalyptic number.

It is an amenable number.

134404467257 is a deficient number, since it is larger than the sum of its proper divisors (1).

134404467257 is an equidigital number, since it uses as much as digits as its factorization.

134404467257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2257920, while the sum is 47.

The spelling of 134404467257 in words is "one hundred thirty-four billion, four hundred four million, four hundred sixty-seven thousand, two hundred fifty-seven".