1390227238747 has 2 divisors, whose sum is σ = 1390227238748. Its totient is φ = 1390227238746.

The previous prime is 1390227238727. The next prime is 1390227238759. The reversal of 1390227238747 is 7478327220931.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1390227238747 is a prime.

It is not a weakly prime, because it can be changed into another prime (1390227238727) 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, 695113619373 + 695113619374.

It is an arithmetic number, because the mean of its divisors is an integer number (695113619374).

Almost surely, 2^{1390227238747} is an apocalyptic number.

1390227238747 is a deficient number, since it is larger than the sum of its proper divisors (1).

1390227238747 is an equidigital number, since it uses as much as digits as its factorization.

1390227238747 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7112448, while the sum is 55.

The spelling of 1390227238747 in words is "one trillion, three hundred ninety billion, two hundred twenty-seven million, two hundred thirty-eight thousand, seven hundred forty-seven".