3133639 has 2 divisors, whose sum is σ = 3133640. Its totient is φ = 3133638.

The previous prime is 3133633. The next prime is 3133643. The reversal of 3133639 is 9363313.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3133639 - 2⁵ = 3133607 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3133633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1566819 + 1566820.

It is an arithmetic number, because the mean of its divisors is an integer number (1566820).

Almost surely, 2^3133639 is an apocalyptic number.

3133639 is a deficient number, since it is larger than the sum of its proper divisors (1).

3133639 is an equidigital number, since it uses as much as digits as its factorization.

3133639 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4374, while the sum is 28.

The square root of 3133639 is about 1770.2087447530. The cubic root of 3133639 is about 146.3354860971.

It can be divided in two parts, 31336 and 39, that added together give a triangular number (31375 = T₂₅₀).

The spelling of 3133639 in words is "three million, one hundred thirty-three thousand, six hundred thirty-nine".