3140689705 has 32 divisors (see below), whose sum is σ = 3972447360. Its totient is φ = 2380492800.

The previous prime is 3140689697. The next prime is 3140689723. The reversal of 3140689705 is 5079860413.

It is not a de Polignac number, because 3140689705 - 2³ = 3140689697 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1960905 + ... + 1962505.

It is an arithmetic number, because the mean of its divisors is an integer number (124138980).

Almost surely, 2^3140689705 is an apocalyptic number.

It is an amenable number.

3140689705 is a deficient number, since it is larger than the sum of its proper divisors (831757655).

3140689705 is a wasteful number, since it uses less digits than its factorization.

3140689705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1881.

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 3140689705 is about 56041.8567233456. The cubic root of 3140689705 is about 1464.4515576881.

The spelling of 3140689705 in words is "three billion, one hundred forty million, six hundred eighty-nine thousand, seven hundred five".