814126643 has 8 divisors (see below), whose sum is σ = 888346560. Its totient is φ = 739941480.

The previous prime is 814126601. The next prime is 814126673. The reversal of 814126643 is 346621418.

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 814126643 - 2¹⁰ = 814125619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (814126673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77648 + ... + 87506.

It is an arithmetic number, because the mean of its divisors is an integer number (111043320).

Almost surely, 2^814126643 is an apocalyptic number.

814126643 is a deficient number, since it is larger than the sum of its proper divisors (74219917).

814126643 is a wasteful number, since it uses less digits than its factorization.

814126643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17377.

The product of its digits is 27648, while the sum is 35.

The square root of 814126643 is about 28532.9045664825. The cubic root of 814126643 is about 933.7500882722.

The spelling of 814126643 in words is "eight hundred fourteen million, one hundred twenty-six thousand, six hundred forty-three".