3866066139 has 12 divisors (see below), whose sum is σ = 5581776696. Its totient is φ = 2379117312.

The previous prime is 3866066131. The next prime is 3866066153. The reversal of 3866066139 is 9316606683.

3866066139 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3866066139 - 2³ = 3866066131 is a prime.

It is a super-2 number, since 2×3866066139² = 29892934782244734642, which contains 22 as substring.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (3866066131) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3812182 + ... + 3813195.

It is an arithmetic number, because the mean of its divisors is an integer number (465148058).

Almost surely, 2^3866066139 is an apocalyptic number.

3866066139 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

3866066139 is a deficient number, since it is larger than the sum of its proper divisors (1715710557).

3866066139 is a wasteful number, since it uses less digits than its factorization.

3866066139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7625406 (or 7625393 counting only the distinct ones).

The product of its (nonzero) digits is 839808, while the sum is 48.

The square root of 3866066139 is about 62177.6980837985. The cubic root of 3866066139 is about 1569.4823152894.

The spelling of 3866066139 in words is "three billion, eight hundred sixty-six million, sixty-six thousand, one hundred thirty-nine".