44936139 has 4 divisors (see below), whose sum is σ = 59914856. Its totient is φ = 29957424.

The previous prime is 44936131. The next prime is 44936149. The reversal of 44936139 is 93163944.

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

It is not a de Polignac number, because 44936139 - 2³ = 44936131 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 44936097 and 44936106.

It is not an unprimeable number, because it can be changed into a prime (44936131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7489354 + ... + 7489359.

It is an arithmetic number, because the mean of its divisors is an integer number (14978714).

Almost surely, 2^44936139 is an apocalyptic number.

44936139 is a deficient number, since it is larger than the sum of its proper divisors (14978717).

44936139 is a wasteful number, since it uses less digits than its factorization.

44936139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14978716.

The product of its digits is 69984, while the sum is 39.

The square root of 44936139 is about 6703.4423246568. The cubic root of 44936139 is about 355.5209939315.

The spelling of 44936139 in words is "forty-four million, nine hundred thirty-six thousand, one hundred thirty-nine".