1400710439 has 2 divisors, whose sum is σ = 1400710440. Its totient is φ = 1400710438.

The previous prime is 1400710387. The next prime is 1400710459. The reversal of 1400710439 is 9340170041.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1400710439 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1400710459) 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, 700355219 + 700355220.

It is an arithmetic number, because the mean of its divisors is an integer number (700355220).

Almost surely, 2^1400710439 is an apocalyptic number.

1400710439 is a deficient number, since it is larger than the sum of its proper divisors (1).

1400710439 is an equidigital number, since it uses as much as digits as its factorization.

1400710439 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 1400710439 is about 37426.0663041148. The cubic root of 1400710439 is about 1118.8781387137.

The spelling of 1400710439 in words is "one billion, four hundred million, seven hundred ten thousand, four hundred thirty-nine".