67134563 has 2 divisors, whose sum is σ = 67134564. Its totient is φ = 67134562.

The previous prime is 67134533. The next prime is 67134583. The reversal of 67134563 is 36543176.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 67134563 - 2¹⁴ = 67118179 is a prime.

It is not a weakly prime, because it can be changed into another prime (67134533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33567281 + 33567282.

It is an arithmetic number, because the mean of its divisors is an integer number (33567282).

Almost surely, 2^67134563 is an apocalyptic number.

67134563 is a deficient number, since it is larger than the sum of its proper divisors (1).

67134563 is an equidigital number, since it uses as much as digits as its factorization.

67134563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 45360, while the sum is 35.

The square root of 67134563 is about 8193.5683923429. The cubic root of 67134563 is about 406.4265357251.

The spelling of 67134563 in words is "sixty-seven million, one hundred thirty-four thousand, five hundred sixty-three".