134645671 has 8 divisors (see below), whose sum is σ = 136609200. Its totient is φ = 132690432.

The previous prime is 134645659. The next prime is 134645689. The reversal of 134645671 is 176546431.

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 134645671 - 2¹³ = 134637479 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 134645671.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134645171) 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, 35461 + ... + 39073.

It is an arithmetic number, because the mean of its divisors is an integer number (17076150).

Almost surely, 2^134645671 is an apocalyptic number.

134645671 is a deficient number, since it is larger than the sum of its proper divisors (1963529).

134645671 is an equidigital number, since it uses as much as digits as its factorization.

134645671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4145.

The product of its digits is 60480, while the sum is 37.

The square root of 134645671 is about 11603.6921279393. The cubic root of 134645671 is about 512.5435803512.

The spelling of 134645671 in words is "one hundred thirty-four million, six hundred forty-five thousand, six hundred seventy-one".