44140130 has 8 divisors (see below), whose sum is σ = 79452252. Its totient is φ = 17656048.

The previous prime is 44140121. The next prime is 44140139. The reversal of 44140130 is 3104144.

It is an interprime number because it is at equal distance from previous prime (44140121) and next prime (44140139).

It can be written as a sum of positive squares in 2 ways, for example, as 44102881 + 37249 = 6641^2 + 193^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 44140099 and 44140108.

It is not an unprimeable number, because it can be changed into a prime (44140139) 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, 2206997 + ... + 2207016.

Almost surely, 2^44140130 is an apocalyptic number.

44140130 is a deficient number, since it is larger than the sum of its proper divisors (35312122).

44140130 is a wasteful number, since it uses less digits than its factorization.

44140130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4414020.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 44140130 is about 6643.8038803083. The cubic root of 44140130 is about 353.4092149434.

Adding to 44140130 its reverse (3104144), we get a palindrome (47244274).

The spelling of 44140130 in words is "forty-four million, one hundred forty thousand, one hundred thirty".