244353139 has 2 divisors, whose sum is σ = 244353140. Its totient is φ = 244353138.

The previous prime is 244353113. The next prime is 244353163. The reversal of 244353139 is 931353442.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 244353139 - 2⁹ = 244352627 is a prime.

It is not a weakly prime, because it can be changed into another prime (244353199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122176569 + 122176570.

It is an arithmetic number, because the mean of its divisors is an integer number (122176570).

Almost surely, 2^244353139 is an apocalyptic number.

244353139 is a deficient number, since it is larger than the sum of its proper divisors (1).

244353139 is an equidigital number, since it uses as much as digits as its factorization.

244353139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 38880, while the sum is 34.

The square root of 244353139 is about 15631.7989687688. The cubic root of 244353139 is about 625.1812926877.

The spelling of 244353139 in words is "two hundred forty-four million, three hundred fifty-three thousand, one hundred thirty-nine".