67134013 has 2 divisors, whose sum is σ = 67134014. Its totient is φ = 67134012.

The previous prime is 67134007. The next prime is 67134029. The reversal of 67134013 is 31043176.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40487769 + 26646244 = 6363^2 + 5162^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-67134013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67134073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33567006 + 33567007.

It is an arithmetic number, because the mean of its divisors is an integer number (33567007).

Almost surely, 2^67134013 is an apocalyptic number.

It is an amenable number.

67134013 is a deficient number, since it is larger than the sum of its proper divisors (1).

67134013 is an equidigital number, since it uses as much as digits as its factorization.

67134013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 67134013 is about 8193.5348293639. The cubic root of 67134013 is about 406.4254258387.

Adding to 67134013 its reverse (31043176), we get a palindrome (98177189).

The spelling of 67134013 in words is "sixty-seven million, one hundred thirty-four thousand, thirteen".