4500139 has 4 divisors (see below), whose sum is σ = 5143024. Its totient is φ = 3857256.

The previous prime is 4500137. The next prime is 4500143. The reversal of 4500139 is 9310054.

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 4500139 - 2¹ = 4500137 is a prime.

It is a super-3 number, since 3×4500139³ (a number of 21 digits) contains 333 as substring.

It is a Duffinian number.

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (4500137) 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 3 ways as a sum of consecutive naturals, for example, 321432 + ... + 321445.

It is an arithmetic number, because the mean of its divisors is an integer number (1285756).

Almost surely, 2^4500139 is an apocalyptic number.

4500139 is a deficient number, since it is larger than the sum of its proper divisors (642885).

4500139 is an equidigital number, since it uses as much as digits as its factorization.

4500139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 642884.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 4500139 is about 2121.3531059208. The cubic root of 4500139 is about 165.0980623083.

The spelling of 4500139 in words is "four million, five hundred thousand, one hundred thirty-nine".