3591139 has 2 divisors, whose sum is σ = 3591140. Its totient is φ = 3591138.

The previous prime is 3591101. The next prime is 3591143. The reversal of 3591139 is 9311953.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3591139 - 2⁹ = 3590627 is a prime.

3591139 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 3591139.

It is not a weakly prime, because it can be changed into another prime (3591169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1795569 + 1795570.

It is an arithmetic number, because the mean of its divisors is an integer number (1795570).

Almost surely, 2^3591139 is an apocalyptic number.

3591139 is a deficient number, since it is larger than the sum of its proper divisors (1).

3591139 is an equidigital number, since it uses as much as digits as its factorization.

3591139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3645, while the sum is 31.

The square root of 3591139 is about 1895.0300789170. The cubic root of 3591139 is about 153.1360374662.

The spelling of 3591139 in words is "three million, five hundred ninety-one thousand, one hundred thirty-nine".