134156576671 has 4 divisors (see below), whose sum is σ = 144476313352. Its totient is φ = 123836839992.

The previous prime is 134156576669. The next prime is 134156576677. The reversal of 134156576671 is 176675651431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 176675651431 = 89 ⋅1985119679.

It is a cyclic number.

It is not a de Polignac number, because 134156576671 - 2¹ = 134156576669 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 (134156576677) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5159868321 + ... + 5159868346.

It is an arithmetic number, because the mean of its divisors is an integer number (36119078338).

Almost surely, 2^134156576671 is an apocalyptic number.

134156576671 is a deficient number, since it is larger than the sum of its proper divisors (10319736681).

134156576671 is a wasteful number, since it uses less digits than its factorization.

134156576671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10319736680.

The product of its digits is 3175200, while the sum is 52.

The spelling of 134156576671 in words is "one hundred thirty-four billion, one hundred fifty-six million, five hundred seventy-six thousand, six hundred seventy-one".