44036139 has 8 divisors (see below), whose sum is σ = 67102720. Its totient is φ = 25163496.

The previous prime is 44036131. The next prime is 44036143. The reversal of 44036139 is 93163044.

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

It is not a de Polignac number, because 44036139 - 2³ = 44036131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44036131) 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, 1048459 + ... + 1048500.

It is an arithmetic number, because the mean of its divisors is an integer number (8387840).

Almost surely, 2^44036139 is an apocalyptic number.

44036139 is a deficient number, since it is larger than the sum of its proper divisors (23066581).

44036139 is a wasteful number, since it uses less digits than its factorization.

44036139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2096969.

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 44036139 is about 6635.9731012113. The cubic root of 44036139 is about 353.1314610664.

The spelling of 44036139 in words is "forty-four million, thirty-six thousand, one hundred thirty-nine".