44139130 has 16 divisors (see below), whose sum is σ = 90800640. Its totient is φ = 15133392.

The previous prime is 44139107. The next prime is 44139149. The reversal of 44139130 is 3193144.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 44139095 and 44139104.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 315210 + ... + 315349.

It is an arithmetic number, because the mean of its divisors is an integer number (5675040).

Almost surely, 2^44139130 is an apocalyptic number.

44139130 is an abundant number, since it is smaller than the sum of its proper divisors (46661510).

44139130 is a wasteful number, since it uses less digits than its factorization.

44139130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 630573.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 44139130 is about 6643.7286217906. The cubic root of 44139130 is about 353.4065460804.

The spelling of 44139130 in words is "forty-four million, one hundred thirty-nine thousand, one hundred thirty".