8119091236 has 9 divisors (see below), whose sum is σ = 14208725041. Its totient is φ = 4059455512.

The previous prime is 8119091213. The next prime is 8119091273. The reversal of 8119091236 is 6321909118.

The square root of 8119091236 is 90106.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 5584572900 + 2534518336 = 74730^2 + 50344^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 157686 + ... + 202738.

Almost surely, 2^8119091236 is an apocalyptic number.

8119091236 is the 90106-th square number.

It is an amenable number.

8119091236 is a deficient number, since it is larger than the sum of its proper divisors (6089633805).

8119091236 is an frugal number, since it uses more digits than its factorization.

8119091236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90110 (or 45055 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 40.

The cubic root of 8119091236 is about 2009.8754273761.

The spelling of 8119091236 in words is "eight billion, one hundred nineteen million, ninety-one thousand, two hundred thirty-six".