8640223134 has 32 divisors (see below), whose sum is σ = 18533162880. Its totient is φ = 2677008672.

The previous prime is 8640223129. The next prime is 8640223147. The reversal of 8640223134 is 4313220468.

It is a junction number, because it is equal to n+sod(n) for n = 8640223095 and 8640223104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 708972 + ... + 721055.

It is an arithmetic number, because the mean of its divisors is an integer number (579161340).

Almost surely, 2^8640223134 is an apocalyptic number.

8640223134 is an abundant number, since it is smaller than the sum of its proper divisors (9892939746).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8640223134 is a wasteful number, since it uses less digits than its factorization.

8640223134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1430104.

The product of its (nonzero) digits is 27648, while the sum is 33.

The square root of 8640223134 is about 92952.8005710425. The cubic root of 8640223134 is about 2051.9888003865.

The spelling of 8640223134 in words is "eight billion, six hundred forty million, two hundred twenty-three thousand, one hundred thirty-four".