1030444139 has 2 divisors, whose sum is σ = 1030444140. Its totient is φ = 1030444138.

The previous prime is 1030444099. The next prime is 1030444169. The reversal of 1030444139 is 9314440301.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1030444139 is a prime.

It is not a weakly prime, because it can be changed into another prime (1030444169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 515222069 + 515222070.

It is an arithmetic number, because the mean of its divisors is an integer number (515222070).

Almost surely, 2^1030444139 is an apocalyptic number.

1030444139 is a deficient number, since it is larger than the sum of its proper divisors (1).

1030444139 is an equidigital number, since it uses as much as digits as its factorization.

1030444139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 1030444139 is about 32100.5317557202. The cubic root of 1030444139 is about 1010.0467706995.

The spelling of 1030444139 in words is "one billion, thirty million, four hundred forty-four thousand, one hundred thirty-nine".