1044030139 has 2 divisors, whose sum is σ = 1044030140. Its totient is φ = 1044030138.

The previous prime is 1044030101. The next prime is 1044030173. The reversal of 1044030139 is 9310304401.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1044030139 - 2⁷ = 1044030011 is a prime.

It is a super-2 number, since 2×1044030139² = 2179997862280718642, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1044030179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 522015069 + 522015070.

It is an arithmetic number, because the mean of its divisors is an integer number (522015070).

Almost surely, 2^1044030139 is an apocalyptic number.

1044030139 is a deficient number, since it is larger than the sum of its proper divisors (1).

1044030139 is an equidigital number, since it uses as much as digits as its factorization.

1044030139 is an evil number, because the sum of its binary digits is even.

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

The square root of 1044030139 is about 32311.4552287575. The cubic root of 1044030139 is about 1014.4664263431.

The spelling of 1044030139 in words is "one billion, forty-four million, thirty thousand, one hundred thirty-nine".