67134143 has 4 divisors (see below), whose sum is σ = 67224288. Its totient is φ = 67044000.

The previous prime is 67134113. The next prime is 67134149. The reversal of 67134143 is 34143176.

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 67134143 - 2¹⁶ = 67068607 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 (67134149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43946 + ... + 45447.

It is an arithmetic number, because the mean of its divisors is an integer number (16806072).

Almost surely, 2^67134143 is an apocalyptic number.

67134143 is a deficient number, since it is larger than the sum of its proper divisors (90145).

67134143 is an equidigital number, since it uses as much as digits as its factorization.

67134143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90144.

The product of its digits is 6048, while the sum is 29.

The square root of 67134143 is about 8193.5427624441. The cubic root of 67134143 is about 406.4256881761.

The spelling of 67134143 in words is "sixty-seven million, one hundred thirty-four thousand, one hundred forty-three".