8105000194 has 4 divisors (see below), whose sum is σ = 12157500294. Its totient is φ = 4052500096.

The previous prime is 8105000161. The next prime is 8105000203. The reversal of 8105000194 is 4910005018.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 7028307225 + 1076692969 = 83835^2 + 32813^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2026250047 + ... + 2026250050.

Almost surely, 2^8105000194 is an apocalyptic number.

8105000194 is a deficient number, since it is larger than the sum of its proper divisors (4052500100).

8105000194 is a wasteful number, since it uses less digits than its factorization.

8105000194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4052500099.

The product of its (nonzero) digits is 1440, while the sum is 28.

The square root of 8105000194 is about 90027.7745698515. The cubic root of 8105000194 is about 2008.7120114917.

The spelling of 8105000194 in words is "eight billion, one hundred five million, one hundred ninety-four", and thus it is an aban number.