44340139 has 4 divisors (see below), whose sum is σ = 44964720. Its totient is φ = 43715560.

The previous prime is 44340103. The next prime is 44340143. The reversal of 44340139 is 93104344.

44340139 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 44340139 - 2¹⁵ = 44307371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44340239) 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, 312184 + ... + 312325.

It is an arithmetic number, because the mean of its divisors is an integer number (11241180).

Almost surely, 2^44340139 is an apocalyptic number.

44340139 is a deficient number, since it is larger than the sum of its proper divisors (624581).

44340139 is an equidigital number, since it uses as much as digits as its factorization.

44340139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 624580.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 44340139 is about 6658.8391630974. The cubic root of 44340139 is about 353.9422033170.

The spelling of 44340139 in words is "forty-four million, three hundred forty thousand, one hundred thirty-nine".