1404144347 has 2 divisors, whose sum is σ = 1404144348. Its totient is φ = 1404144346.

The previous prime is 1404144337. The next prime is 1404144353. The reversal of 1404144347 is 7434414041.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1404144347 - 2¹⁶ = 1404078811 is a prime.

It is not a weakly prime, because it can be changed into another prime (1404144337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 702072173 + 702072174.

It is an arithmetic number, because the mean of its divisors is an integer number (702072174).

Almost surely, 2^1404144347 is an apocalyptic number.

1404144347 is a deficient number, since it is larger than the sum of its proper divisors (1).

1404144347 is an equidigital number, since it uses as much as digits as its factorization.

1404144347 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21504, while the sum is 32.

The square root of 1404144347 is about 37471.9141091031. The cubic root of 1404144347 is about 1119.7917201452.

Adding to 1404144347 its reverse (7434414041), we get a palindrome (8838558388).

The spelling of 1404144347 in words is "one billion, four hundred four million, one hundred forty-four thousand, three hundred forty-seven".