4550139 has 48 divisors (see below), whose sum is σ = 7862400. Its totient is φ = 2505600.

The previous prime is 4550137. The next prime is 4550167. The reversal of 4550139 is 9310554.

It is not a de Polignac number, because 4550139 - 2¹ = 4550137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4550137) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 77092 + ... + 77150.

It is an arithmetic number, because the mean of its divisors is an integer number (163800).

Almost surely, 2^4550139 is an apocalyptic number.

4550139 is a deficient number, since it is larger than the sum of its proper divisors (3312261).

4550139 is a wasteful number, since it uses less digits than its factorization.

4550139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136 (or 133 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 4550139 is about 2133.1054826239. The cubic root of 4550139 is about 165.7072670220.

The spelling of 4550139 in words is "four million, five hundred fifty thousand, one hundred thirty-nine".