1042144139 has 2 divisors, whose sum is σ = 1042144140. Its totient is φ = 1042144138.

The previous prime is 1042144127. The next prime is 1042144151. The reversal of 1042144139 is 9314412401.

It is a balanced prime because it is at equal distance from previous prime (1042144127) and next prime (1042144151).

It is a cyclic number.

It is not a de Polignac number, because 1042144139 - 2⁴ = 1042144123 is a prime.

It is a super-4 number, since 4×1042144139⁴ (a number of 37 digits) contains 4444 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1042144039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521072069 + 521072070.

It is an arithmetic number, because the mean of its divisors is an integer number (521072070).

Almost surely, 2^1042144139 is an apocalyptic number.

1042144139 is a deficient number, since it is larger than the sum of its proper divisors (1).

1042144139 is an equidigital number, since it uses as much as digits as its factorization.

1042144139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 1042144139 is about 32282.2573405269. The cubic root of 1042144139 is about 1013.8551933728.

The spelling of 1042144139 in words is "one billion, forty-two million, one hundred forty-four thousand, one hundred thirty-nine".