3140661256 has 32 divisors (see below), whose sum is σ = 6152160600. Its totient is φ = 1501158400.

The previous prime is 3140661241. The next prime is 3140661287. The reversal of 3140661256 is 6521660413.

It can be written as a sum of positive squares in 4 ways, for example, as 3132193156 + 8468100 = 55966^2 + 2910^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43585 + ... + 90448.

Almost surely, 2^3140661256 is an apocalyptic number.

It is an amenable number.

3140661256 is a deficient number, since it is larger than the sum of its proper divisors (3011499344).

3140661256 is a wasteful number, since it uses less digits than its factorization.

3140661256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134169 (or 134165 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 3140661256 is about 56041.6029035573. The cubic root of 3140661256 is about 1464.4471359090.

The spelling of 3140661256 in words is "three billion, one hundred forty million, six hundred sixty-one thousand, two hundred fifty-six".