67134005 has 4 divisors (see below), whose sum is σ = 80560812. Its totient is φ = 53707200.

The previous prime is 67133971. The next prime is 67134007. The reversal of 67134005 is 50043176.

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

It can be written as a sum of positive squares in 2 ways, for example, as 30724849 + 36409156 = 5543^2 + 6034^2 .

It is not a de Polignac number, because 67134005 - 2¹⁰ = 67132981 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 (67134007) 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, 6713396 + ... + 6713405.

It is an arithmetic number, because the mean of its divisors is an integer number (20140203).

Almost surely, 2^67134005 is an apocalyptic number.

It is an amenable number.

67134005 is a deficient number, since it is larger than the sum of its proper divisors (13426807).

67134005 is a wasteful number, since it uses less digits than its factorization.

67134005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13426806.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 67134005 is about 8193.5343411741. The cubic root of 67134005 is about 406.4254096949.

The spelling of 67134005 in words is "sixty-seven million, one hundred thirty-four thousand, five".