808140134667 has 4 divisors (see below), whose sum is σ = 1077520179560. Its totient is φ = 538760089776.

The previous prime is 808140134653. The next prime is 808140134687. The reversal of 808140134667 is 766431041808.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 808140134667 - 2⁴ = 808140134651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (808140134687) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134690022442 + ... + 134690022447.

It is an arithmetic number, because the mean of its divisors is an integer number (269380044890).

Almost surely, 2^808140134667 is an apocalyptic number.

808140134667 is a deficient number, since it is larger than the sum of its proper divisors (269380044893).

808140134667 is a wasteful number, since it uses less digits than its factorization.

808140134667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269380044892.

The product of its (nonzero) digits is 774144, while the sum is 48.

The spelling of 808140134667 in words is "eight hundred eight billion, one hundred forty million, one hundred thirty-four thousand, six hundred sixty-seven".