3140505730 has 8 divisors (see below), whose sum is σ = 5652910332. Its totient is φ = 1256202288.

The previous prime is 3140505707. The next prime is 3140505743. The reversal of 3140505730 is 375050413.

It can be written as a sum of positive squares in 2 ways, for example, as 2893041369 + 247464361 = 53787^2 + 15731^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 157025277 + ... + 157025296.

Almost surely, 2^3140505730 is an apocalyptic number.

3140505730 is a deficient number, since it is larger than the sum of its proper divisors (2512404602).

3140505730 is a wasteful number, since it uses less digits than its factorization.

3140505730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314050580.

The product of its (nonzero) digits is 6300, while the sum is 28.

The square root of 3140505730 is about 56040.2152922346. The cubic root of 3140505730 is about 1464.4229622986.

The spelling of 3140505730 in words is "three billion, one hundred forty million, five hundred five thousand, seven hundred thirty".