136203630137 has 2 divisors, whose sum is σ = 136203630138. Its totient is φ = 136203630136.

The previous prime is 136203630107. The next prime is 136203630191. The reversal of 136203630137 is 731036302631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 83209748521 + 52993881616 = 288461^2 + 230204^2 .

It is an emirp because it is prime and its reverse (731036302631) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 136203630137 - 2¹⁰ = 136203629113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 136203630097 and 136203630106.

It is not a weakly prime, because it can be changed into another prime (136203630107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68101815068 + 68101815069.

It is an arithmetic number, because the mean of its divisors is an integer number (68101815069).

Almost surely, 2^136203630137 is an apocalyptic number.

It is an amenable number.

136203630137 is a deficient number, since it is larger than the sum of its proper divisors (1).

136203630137 is an equidigital number, since it uses as much as digits as its factorization.

136203630137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40824, while the sum is 35.

Adding to 136203630137 its reverse (731036302631), we get a palindrome (867239932768).

The spelling of 136203630137 in words is "one hundred thirty-six billion, two hundred three million, six hundred thirty thousand, one hundred thirty-seven".