134555671 has 4 divisors (see below), whose sum is σ = 134846752. Its totient is φ = 134264592.

The previous prime is 134555669. The next prime is 134555693. The reversal of 134555671 is 176555431.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 134555671 - 2¹ = 134555669 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 134555671.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134555651) 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, 144846 + ... + 145771.

It is an arithmetic number, because the mean of its divisors is an integer number (33711688).

Almost surely, 2^134555671 is an apocalyptic number.

134555671 is a deficient number, since it is larger than the sum of its proper divisors (291081).

134555671 is an equidigital number, since it uses as much as digits as its factorization.

134555671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291080.

The product of its digits is 63000, while the sum is 37.

The square root of 134555671 is about 11599.8134036716. The cubic root of 134555671 is about 512.4293565925.

The spelling of 134555671 in words is "one hundred thirty-four million, five hundred fifty-five thousand, six hundred seventy-one".