203413686137 has 2 divisors, whose sum is σ = 203413686138. Its totient is φ = 203413686136.

The previous prime is 203413686103. The next prime is 203413686181. The reversal of 203413686137 is 731686314302.

It is an a-pointer prime, because the next prime (203413686181) can be obtained adding 203413686137 to its sum of digits (44).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 181326078976 + 22087607161 = 425824^2 + 148619^2 .

It is a cyclic number.

It is not a de Polignac number, because 203413686137 - 2¹⁶ = 203413620601 is a prime.

It is not a weakly prime, because it can be changed into another prime (203413686037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101706843068 + 101706843069.

It is an arithmetic number, because the mean of its divisors is an integer number (101706843069).

Almost surely, 2^203413686137 is an apocalyptic number.

It is an amenable number.

203413686137 is a deficient number, since it is larger than the sum of its proper divisors (1).

203413686137 is an equidigital number, since it uses as much as digits as its factorization.

203413686137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 435456, while the sum is 44.

The spelling of 203413686137 in words is "two hundred three billion, four hundred thirteen million, six hundred eighty-six thousand, one hundred thirty-seven".