4497139 has 4 divisors (see below), whose sum is σ = 4642240. Its totient is φ = 4352040.

The previous prime is 4497109. The next prime is 4497149. The reversal of 4497139 is 9317944.

4497139 = T₁₇₃₀ + T₁₇₃₁ + T₁₇₃₂.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4497139 - 2⁷ = 4497011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4497098 and 4497107.

It is not an unprimeable number, because it can be changed into a prime (4497109) 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 in 3 ways as a sum of consecutive naturals, for example, 72504 + ... + 72565.

It is an arithmetic number, because the mean of its divisors is an integer number (1160560).

Almost surely, 2^4497139 is an apocalyptic number.

4497139 is the 1732-nd centered triangular number.

4497139 is a deficient number, since it is larger than the sum of its proper divisors (145101).

4497139 is a wasteful number, since it uses less digits than its factorization.

4497139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145100.

The product of its digits is 27216, while the sum is 37.

The square root of 4497139 is about 2120.6458921753. The cubic root of 4497139 is about 165.0613668277.

The spelling of 4497139 in words is "four million, four hundred ninety-seven thousand, one hundred thirty-nine".