3140705681 has 16 divisors (see below), whose sum is σ = 3581899200. Its totient is φ = 2735244288.

The previous prime is 3140705677. The next prime is 3140705693. The reversal of 3140705681 is 1865070413.

It is a cyclic number.

It is not a de Polignac number, because 3140705681 - 2² = 3140705677 is a prime.

It is a super-2 number, since 2×3140705681² = 19728064349331347522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3140705621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99176 + ... + 126953.

It is an arithmetic number, because the mean of its divisors is an integer number (223868700).

Almost surely, 2^3140705681 is an apocalyptic number.

It is an amenable number.

3140705681 is a deficient number, since it is larger than the sum of its proper divisors (441193519).

3140705681 is a wasteful number, since it uses less digits than its factorization.

3140705681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226208.

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 3140705681 is about 56041.9992594840. Note that the first 3 decimals coincide. The cubic root of 3140705681 is about 1464.4540407986.

The spelling of 3140705681 in words is "three billion, one hundred forty million, seven hundred five thousand, six hundred eighty-one".