67134712465 has 8 divisors (see below), whose sum is σ = 83339643240. Its totient is φ = 51855777792.

The previous prime is 67134712459. The next prime is 67134712481. The reversal of 67134712465 is 56421743176.

It can be written as a sum of positive squares in 4 ways, for example, as 10676675584 + 56458036881 = 103328^2 + 237609^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 67134712465 - 2³ = 67134712457 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 231498864 + ... + 231499153.

It is an arithmetic number, because the mean of its divisors is an integer number (10417455405).

Almost surely, 2^67134712465 is an apocalyptic number.

It is an amenable number.

67134712465 is a deficient number, since it is larger than the sum of its proper divisors (16204930775).

67134712465 is a wasteful number, since it uses less digits than its factorization.

67134712465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 462998051.

The product of its digits is 846720, while the sum is 46.

The spelling of 67134712465 in words is "sixty-seven billion, one hundred thirty-four million, seven hundred twelve thousand, four hundred sixty-five".