812134147067 has 8 divisors (see below), whose sum is σ = 815080707840. Its totient is φ = 809187986880.

The previous prime is 812134147057. The next prime is 812134147229. The reversal of 812134147067 is 760741431218.

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 812134147067 - 2⁴ = 812134147051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (812134147057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4313633 + ... + 4497965.

It is an arithmetic number, because the mean of its divisors is an integer number (101885088480).

Almost surely, 2^812134147067 is an apocalyptic number.

812134147067 is a deficient number, since it is larger than the sum of its proper divisors (2946560773).

812134147067 is a wasteful number, since it uses less digits than its factorization.

812134147067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200293.

The product of its (nonzero) digits is 225792, while the sum is 44.

The spelling of 812134147067 in words is "eight hundred twelve billion, one hundred thirty-four million, one hundred forty-seven thousand, sixty-seven".