4512139 has 12 divisors (see below), whose sum is σ = 4937760. Its totient is φ = 4117680.

The previous prime is 4512133. The next prime is 4512161. The reversal of 4512139 is 9312154.

It is not a de Polignac number, because 4512139 - 2⁵ = 4512107 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4512133) 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 11 ways as a sum of consecutive naturals, for example, 10254 + ... + 10684.

It is an arithmetic number, because the mean of its divisors is an integer number (411480).

Almost surely, 2^4512139 is an apocalyptic number.

4512139 is a deficient number, since it is larger than the sum of its proper divisors (425621).

4512139 is a wasteful number, since it uses less digits than its factorization.

4512139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498 (or 479 counting only the distinct ones).

The product of its digits is 1080, while the sum is 25.

The square root of 4512139 is about 2124.1796063422. The cubic root of 4512139 is about 165.2446813616.

The spelling of 4512139 in words is "four million, five hundred twelve thousand, one hundred thirty-nine".