134817128071 has 8 divisors (see below), whose sum is σ = 137207624400. Its totient is φ = 132430147200.

The previous prime is 134817128059. The next prime is 134817128077. The reversal of 134817128071 is 170821718431.

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

It is a cyclic number.

It is not a de Polignac number, because 134817128071 - 2²³ = 134808739463 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134817128077) 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, 801426 + ... + 954943.

It is an arithmetic number, because the mean of its divisors is an integer number (17150953050).

Almost surely, 2^134817128071 is an apocalyptic number.

134817128071 is a deficient number, since it is larger than the sum of its proper divisors (2390496329).

134817128071 is a wasteful number, since it uses less digits than its factorization.

134817128071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1757729.

The product of its (nonzero) digits is 75264, while the sum is 43.

The spelling of 134817128071 in words is "one hundred thirty-four billion, eight hundred seventeen million, one hundred twenty-eight thousand, seventy-one".