8148189256 has 8 divisors (see below), whose sum is σ = 15277854870. Its totient is φ = 4074094624.

The previous prime is 8148189229. The next prime is 8148189271. The reversal of 8148189256 is 6529818418.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 4544108100 + 3604081156 = 67410^2 + 60034^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 509261821 + ... + 509261836.

Almost surely, 2^8148189256 is an apocalyptic number.

It is an amenable number.

8148189256 is a deficient number, since it is larger than the sum of its proper divisors (7129665614).

8148189256 is a wasteful number, since it uses less digits than its factorization.

8148189256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1018523663 (or 1018523659 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 52.

The square root of 8148189256 is about 90267.3210857617. The cubic root of 8148189256 is about 2012.2736295979.

The spelling of 8148189256 in words is "eight billion, one hundred forty-eight million, one hundred eighty-nine thousand, two hundred fifty-six".