227198238139 has 2 divisors, whose sum is σ = 227198238140. Its totient is φ = 227198238138.

The previous prime is 227198238121. The next prime is 227198238173. The reversal of 227198238139 is 931832891722.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 227198238139 - 2¹⁵ = 227198205371 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 227198238139.

It is not a weakly prime, because it can be changed into another prime (227192238139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113599119069 + 113599119070.

It is an arithmetic number, because the mean of its divisors is an integer number (113599119070).

Almost surely, 2^227198238139 is an apocalyptic number.

227198238139 is a deficient number, since it is larger than the sum of its proper divisors (1).

227198238139 is an equidigital number, since it uses as much as digits as its factorization.

227198238139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2612736, while the sum is 55.

The spelling of 227198238139 in words is "two hundred twenty-seven billion, one hundred ninety-eight million, two hundred thirty-eight thousand, one hundred thirty-nine".