3927066139 has 4 divisors (see below), whose sum is σ = 3927905856. Its totient is φ = 3926226424.

The previous prime is 3927066133. The next prime is 3927066179. The reversal of 3927066139 is 9316607293.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9316607293 = 7 ⋅1330943899.

It is a cyclic number.

It is not a de Polignac number, because 3927066139 - 2³ = 3927066131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3927066131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 412804 + ... + 422209.

It is an arithmetic number, because the mean of its divisors is an integer number (981976464).

Almost surely, 2^3927066139 is an apocalyptic number.

3927066139 is a deficient number, since it is larger than the sum of its proper divisors (839717).

3927066139 is an equidigital number, since it uses as much as digits as its factorization.

3927066139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 839716.

The product of its (nonzero) digits is 367416, while the sum is 46.

The square root of 3927066139 is about 62666.3078456039. The cubic root of 3927066139 is about 1577.6938715566.

The spelling of 3927066139 in words is "three billion, nine hundred twenty-seven million, sixty-six thousand, one hundred thirty-nine".