1400227639 has 2 divisors, whose sum is σ = 1400227640. Its totient is φ = 1400227638.

The previous prime is 1400227601. The next prime is 1400227657. The reversal of 1400227639 is 9367220041.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1400227639 - 2¹¹ = 1400225591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1400227739) 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, 700113819 + 700113820.

It is an arithmetic number, because the mean of its divisors is an integer number (700113820).

Almost surely, 2^1400227639 is an apocalyptic number.

1400227639 is a deficient number, since it is larger than the sum of its proper divisors (1).

1400227639 is an equidigital number, since it uses as much as digits as its factorization.

1400227639 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 1400227639 is about 37419.6156981870. The cubic root of 1400227639 is about 1118.7495714697.

The spelling of 1400227639 in words is "one billion, four hundred million, two hundred twenty-seven thousand, six hundred thirty-nine".