203744147137 has 2 divisors, whose sum is σ = 203744147138. Its totient is φ = 203744147136.

The previous prime is 203744147129. The next prime is 203744147147. The reversal of 203744147137 is 731741447302.

It is a happy number.

203744147137 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 174490833841 + 29253313296 = 417721^2 + 171036^2 .

It is a cyclic number.

It is not a de Polignac number, because 203744147137 - 2³ = 203744147129 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 203744147093 and 203744147102.

It is not a weakly prime, because it can be changed into another prime (203744147107) 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, 101872073568 + 101872073569.

It is an arithmetic number, because the mean of its divisors is an integer number (101872073569).

Almost surely, 2^203744147137 is an apocalyptic number.

It is an amenable number.

203744147137 is a deficient number, since it is larger than the sum of its proper divisors (1).

203744147137 is an equidigital number, since it uses as much as digits as its factorization.

203744147137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 395136, while the sum is 43.

The spelling of 203744147137 in words is "two hundred three billion, seven hundred forty-four million, one hundred forty-seven thousand, one hundred thirty-seven".