244329139 has 4 divisors (see below), whose sum is σ = 250011256. Its totient is φ = 238647024.

The previous prime is 244329133. The next prime is 244329181. The reversal of 244329139 is 931923442.

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 244329139 - 2³ = 244329131 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 244329098 and 244329107.

It is not an unprimeable number, because it can be changed into a prime (244329131) 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, 2840994 + ... + 2841079.

It is an arithmetic number, because the mean of its divisors is an integer number (62502814).

Almost surely, 2^244329139 is an apocalyptic number.

244329139 is a deficient number, since it is larger than the sum of its proper divisors (5682117).

244329139 is an equidigital number, since it uses as much as digits as its factorization.

244329139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5682116.

The product of its digits is 46656, while the sum is 37.

The square root of 244329139 is about 15631.0312839556. The cubic root of 244329139 is about 625.1608238935.

The spelling of 244329139 in words is "two hundred forty-four million, three hundred twenty-nine thousand, one hundred thirty-nine".