139922222897 has 2 divisors, whose sum is σ = 139922222898. Its totient is φ = 139922222896.

The previous prime is 139922222893. The next prime is 139922222903. The reversal of 139922222897 is 798222229931.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 99954616336 + 39967606561 = 316156^2 + 199919^2 .

It is a cyclic number.

It is not a de Polignac number, because 139922222897 - 2² = 139922222893 is a prime.

It is not a weakly prime, because it can be changed into another prime (139922222893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69961111448 + 69961111449.

It is an arithmetic number, because the mean of its divisors is an integer number (69961111449).

Almost surely, 2^139922222897 is an apocalyptic number.

It is an amenable number.

139922222897 is a deficient number, since it is larger than the sum of its proper divisors (1).

139922222897 is an equidigital number, since it uses as much as digits as its factorization.

139922222897 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3919104, while the sum is 56.

The spelling of 139922222897 in words is "one hundred thirty-nine billion, nine hundred twenty-two million, two hundred twenty-two thousand, eight hundred ninety-seven".