4565139 has 8 divisors (see below), whose sum is σ = 6113280. Its totient is φ = 3030216.

The previous prime is 4565137. The next prime is 4565159. The reversal of 4565139 is 9315654.

It is a happy number.

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

It is not a de Polignac number, because 4565139 - 2¹ = 4565137 is a prime.

4565139 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4565131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2467 + ... + 3900.

It is an arithmetic number, because the mean of its divisors is an integer number (764160).

Almost surely, 2^4565139 is an apocalyptic number.

4565139 is a deficient number, since it is larger than the sum of its proper divisors (1548141).

4565139 is a wasteful number, since it uses less digits than its factorization.

4565139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6609.

The product of its digits is 16200, while the sum is 33.

The square root of 4565139 is about 2136.6185902028. The cubic root of 4565139 is about 165.8891576295.

The spelling of 4565139 in words is "four million, five hundred sixty-five thousand, one hundred thirty-nine".