1228614247139 has 2 divisors, whose sum is σ = 1228614247140. Its totient is φ = 1228614247138.

The previous prime is 1228614247127. The next prime is 1228614247177. The reversal of 1228614247139 is 9317424168221.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1228614247139 is a prime.

It is not a weakly prime, because it can be changed into another prime (1228614241139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 614307123569 + 614307123570.

It is an arithmetic number, because the mean of its divisors is an integer number (614307123570).

Almost surely, 2^{1228614247139} is an apocalyptic number.

1228614247139 is a deficient number, since it is larger than the sum of its proper divisors (1).

1228614247139 is an equidigital number, since it uses as much as digits as its factorization.

1228614247139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1161216, while the sum is 50.

The spelling of 1228614247139 in words is "one trillion, two hundred twenty-eight billion, six hundred fourteen million, two hundred forty-seven thousand, one hundred thirty-nine".