1441456139 has 2 divisors, whose sum is σ = 1441456140. Its totient is φ = 1441456138.

The previous prime is 1441456127. The next prime is 1441456141. The reversal of 1441456139 is 9316541441.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1441456139 - 2²⁴ = 1424678923 is a prime.

Together with 1441456141, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1441456039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 720728069 + 720728070.

It is an arithmetic number, because the mean of its divisors is an integer number (720728070).

Almost surely, 2^1441456139 is an apocalyptic number.

1441456139 is a deficient number, since it is larger than the sum of its proper divisors (1).

1441456139 is an equidigital number, since it uses as much as digits as its factorization.

1441456139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 51840, while the sum is 38.

The square root of 1441456139 is about 37966.5133900915. The cubic root of 1441456139 is about 1129.6237395579.

The spelling of 1441456139 in words is "one billion, four hundred forty-one million, four hundred fifty-six thousand, one hundred thirty-nine".