2131440008 has 16 divisors (see below), whose sum is σ = 4231535580. Its totient is φ = 1003030528.

The previous prime is 2131439983. The next prime is 2131440029. The reversal of 2131440008 is 8000441312.

It can be written as a sum of positive squares in 2 ways, for example, as 2097823204 + 33616804 = 45802^2 + 5798^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7836041 + ... + 7836312.

Almost surely, 2^2131440008 is an apocalyptic number.

It is an amenable number.

2131440008 is a deficient number, since it is larger than the sum of its proper divisors (2100095572).

2131440008 is a wasteful number, since it uses less digits than its factorization.

2131440008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15672376 (or 15672372 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 2131440008 is about 46167.5211377003. The cubic root of 2131440008 is about 1286.9382364420.

The spelling of 2131440008 in words is "two billion, one hundred thirty-one million, four hundred forty thousand, eight".