137047145569 has 2 divisors, whose sum is σ = 137047145570. Its totient is φ = 137047145568.

The previous prime is 137047145561. The next prime is 137047145623. The reversal of 137047145569 is 965541740731.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 122351644944 + 14695500625 = 349788^2 + 121225^2 .

It is an emirp because it is prime and its reverse (965541740731) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 137047145569 - 2³ = 137047145561 is a prime.

It is a super-2 number, since 2×137047145569² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (137047145561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68523572784 + 68523572785.

It is an arithmetic number, because the mean of its divisors is an integer number (68523572785).

Almost surely, 2^137047145569 is an apocalyptic number.

It is an amenable number.

137047145569 is a deficient number, since it is larger than the sum of its proper divisors (1).

137047145569 is an equidigital number, since it uses as much as digits as its factorization.

137047145569 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3175200, while the sum is 52.

The spelling of 137047145569 in words is "one hundred thirty-seven billion, forty-seven million, one hundred forty-five thousand, five hundred sixty-nine".