3706139 has 2 divisors, whose sum is σ = 3706140. Its totient is φ = 3706138.

The previous prime is 3706133. The next prime is 3706141. The reversal of 3706139 is 9316073.

3706139 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3706139 - 2⁴ = 3706123 is a prime.

Together with 3706141, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3706133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1853069 + 1853070.

It is an arithmetic number, because the mean of its divisors is an integer number (1853070).

Almost surely, 2^3706139 is an apocalyptic number.

3706139 is a deficient number, since it is larger than the sum of its proper divisors (1).

3706139 is an equidigital number, since it uses as much as digits as its factorization.

3706139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3402, while the sum is 29.

The square root of 3706139 is about 1925.1335018642. The cubic root of 3706139 is about 154.7535312896.

The spelling of 3706139 in words is "three million, seven hundred six thousand, one hundred thirty-nine".