137174622209 has 2 divisors, whose sum is σ = 137174622210. Its totient is φ = 137174622208.

The previous prime is 137174622197. The next prime is 137174622271. The reversal of 137174622209 is 902226471731.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 136403171584 + 771450625 = 369328^2 + 27775^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-137174622209 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 137174622209.

It is not a weakly prime, because it can be changed into another prime (137174622289) 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, 68587311104 + 68587311105.

It is an arithmetic number, because the mean of its divisors is an integer number (68587311105).

Almost surely, 2^137174622209 is an apocalyptic number.

It is an amenable number.

137174622209 is a deficient number, since it is larger than the sum of its proper divisors (1).

137174622209 is an equidigital number, since it uses as much as digits as its factorization.

137174622209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 254016, while the sum is 44.

The spelling of 137174622209 in words is "one hundred thirty-seven billion, one hundred seventy-four million, six hundred twenty-two thousand, two hundred nine".