137274099973 has 2 divisors, whose sum is σ = 137274099974. Its totient is φ = 137274099972.

The previous prime is 137274099971. The next prime is 137274100001. The reversal of 137274099973 is 379990472731.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 92743393444 + 44530706529 = 304538^2 + 211023^2 .

It is a cyclic number.

It is not a de Polignac number, because 137274099973 - 2¹ = 137274099971 is a prime.

Together with 137274099971, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (137274099971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68637049986 + 68637049987.

It is an arithmetic number, because the mean of its divisors is an integer number (68637049987).

Almost surely, 2^137274099973 is an apocalyptic number.

It is an amenable number.

137274099973 is a deficient number, since it is larger than the sum of its proper divisors (1).

137274099973 is an equidigital number, since it uses as much as digits as its factorization.

137274099973 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18003384, while the sum is 61.

The spelling of 137274099973 in words is "one hundred thirty-seven billion, two hundred seventy-four million, ninety-nine thousand, nine hundred seventy-three".