3894710139 has 6 divisors (see below), whose sum is σ = 5625692436. Its totient is φ = 2596473420.

The previous prime is 3894710137. The next prime is 3894710159. The reversal of 3894710139 is 9310174983.

It is not a de Polignac number, because 3894710139 - 2¹ = 3894710137 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3894710094 and 3894710103.

It is not an unprimeable number, because it can be changed into a prime (3894710137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 216372777 + ... + 216372794.

It is an arithmetic number, because the mean of its divisors is an integer number (937615406).

Almost surely, 2^3894710139 is an apocalyptic number.

3894710139 is a deficient number, since it is larger than the sum of its proper divisors (1730982297).

3894710139 is a wasteful number, since it uses less digits than its factorization.

3894710139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432745577 (or 432745574 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The square root of 3894710139 is about 62407.6128288849. The cubic root of 3894710139 is about 1573.3489225340.

The spelling of 3894710139 in words is "three billion, eight hundred ninety-four million, seven hundred ten thousand, one hundred thirty-nine".