134716134865985 has 8 divisors (see below), whose sum is σ = 163259949580776. Its totient is φ = 106705849398400.

The previous prime is 134716134865979. The next prime is 134716134865987. The reversal of 134716134865985 is 589568431617431.

It is a Cunningham number, because it is equal to 11606728²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 48497797409296 + 86218337456689 = 6964036^2 + 9285383^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 134716134865985 - 2⁴ = 134716134865969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134716134865987) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133382311244 + ... + 133382312253.

It is an arithmetic number, because the mean of its divisors is an integer number (20407493697597).

Almost surely, 2^{134716134865985} is an apocalyptic number.

It is an amenable number.

134716134865985 is a deficient number, since it is larger than the sum of its proper divisors (28543814714791).

134716134865985 is a wasteful number, since it uses less digits than its factorization.

134716134865985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266764623603.

The product of its digits is 522547200, while the sum is 71.

The spelling of 134716134865985 in words is "one hundred thirty-four trillion, seven hundred sixteen billion, one hundred thirty-four million, eight hundred sixty-five thousand, nine hundred eighty-five".