1282044139 has 2 divisors, whose sum is σ = 1282044140. Its totient is φ = 1282044138.

The previous prime is 1282044131. The next prime is 1282044223. The reversal of 1282044139 is 9314402821.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1282044139 - 2³ = 1282044131 is a prime.

It is not a weakly prime, because it can be changed into another prime (1282044131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 641022069 + 641022070.

It is an arithmetic number, because the mean of its divisors is an integer number (641022070).

Almost surely, 2^1282044139 is an apocalyptic number.

1282044139 is a deficient number, since it is larger than the sum of its proper divisors (1).

1282044139 is an equidigital number, since it uses as much as digits as its factorization.

1282044139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 1282044139 is about 35805.6439545500. The cubic root of 1282044139 is about 1086.3447232870.

The spelling of 1282044139 in words is "one billion, two hundred eighty-two million, forty-four thousand, one hundred thirty-nine".