8143865348 has 48 divisors (see below), whose sum is σ = 15166341120. Its totient is φ = 3815519904.

The previous prime is 8143865273. The next prime is 8143865381. The reversal of 8143865348 is 8435683418.

It is a super-2 number, since 2×8143865348² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8143865296 and 8143865305.

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, 3695615 + ... + 3697817.

It is an arithmetic number, because the mean of its divisors is an integer number (315965440).

Almost surely, 2^8143865348 is an apocalyptic number.

It is an amenable number.

8143865348 is a deficient number, since it is larger than the sum of its proper divisors (7022475772).

8143865348 is a wasteful number, since it uses less digits than its factorization.

8143865348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2736 (or 2734 counting only the distinct ones).

The product of its digits is 2211840, while the sum is 50.

The square root of 8143865348 is about 90243.3673352230. The cubic root of 8143865348 is about 2011.9176230754.

The spelling of 8143865348 in words is "eight billion, one hundred forty-three million, eight hundred sixty-five thousand, three hundred forty-eight".