3021139 has 8 divisors (see below), whose sum is σ = 3311280. Its totient is φ = 2733600.

The previous prime is 3021131. The next prime is 3021157. The reversal of 3021139 is 9311203.

3021139 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3021139 - 2³ = 3021131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3021131) 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 in 7 ways as a sum of consecutive naturals, for example, 2449 + ... + 3469.

It is an arithmetic number, because the mean of its divisors is an integer number (413910).

Almost surely, 2^3021139 is an apocalyptic number.

3021139 is a deficient number, since it is larger than the sum of its proper divisors (290141).

3021139 is a wasteful number, since it uses less digits than its factorization.

3021139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1301.

The product of its (nonzero) digits is 162, while the sum is 19.

The square root of 3021139 is about 1738.1423992297. The cubic root of 3021139 is about 144.5629168509.

Subtracting 3021139 from its reverse (9311203), we obtain a square (6290064 = 2508²).

It can be divided in two parts, 3021 and 139, that added together give a triangular number (3160 = T₇₉).

The spelling of 3021139 in words is "three million, twenty-one thousand, one hundred thirty-nine".