67000135 has 4 divisors (see below), whose sum is σ = 80400168. Its totient is φ = 53600104.

The previous prime is 67000123. The next prime is 67000159. The reversal of 67000135 is 53100076.

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 67000135 - 2¹⁵ = 66967367 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6700009 + ... + 6700018.

It is an arithmetic number, because the mean of its divisors is an integer number (20100042).

Almost surely, 2^67000135 is an apocalyptic number.

67000135 is a deficient number, since it is larger than the sum of its proper divisors (13400033).

67000135 is a wasteful number, since it uses less digits than its factorization.

67000135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13400032.

The product of its (nonzero) digits is 630, while the sum is 22.

The square root of 67000135 is about 8185.3610183058. The cubic root of 67000135 is about 406.1550828349.

The spelling of 67000135 in words is "sixty-seven million, one hundred thirty-five", and thus it is an aban number.