134705631571 has 8 divisors (see below), whose sum is σ = 154621562720. Its totient is φ = 114957767808.

The previous prime is 134705631559. The next prime is 134705631677. The reversal of 134705631571 is 175136507431.

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 134705631571 - 2¹⁹ = 134705107283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134705631551) 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, 42015126 + ... + 42018331.

It is an arithmetic number, because the mean of its divisors is an integer number (19327695340).

Almost surely, 2^134705631571 is an apocalyptic number.

134705631571 is a deficient number, since it is larger than the sum of its proper divisors (19915931149).

134705631571 is an equidigital number, since it uses as much as digits as its factorization.

134705631571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84033693.

The product of its (nonzero) digits is 264600, while the sum is 43.

The spelling of 134705631571 in words is "one hundred thirty-four billion, seven hundred five million, six hundred thirty-one thousand, five hundred seventy-one".