136503131850157 has 2 divisors, whose sum is σ = 136503131850158. Its totient is φ = 136503131850156.

The previous prime is 136503131850091. The next prime is 136503131850161. The reversal of 136503131850157 is 751058131305631.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 96291946619716 + 40211185230441 = 9812846^2 + 6341229^2 .

It is an emirp because it is prime and its reverse (751058131305631) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-136503131850157 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 136503131850157.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136503131850857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68251565925078 + 68251565925079.

It is an arithmetic number, because the mean of its divisors is an integer number (68251565925079).

Almost surely, 2^{136503131850157} is an apocalyptic number.

It is an amenable number.

136503131850157 is a deficient number, since it is larger than the sum of its proper divisors (1).

136503131850157 is an equidigital number, since it uses as much as digits as its factorization.

136503131850157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1134000, while the sum is 49.

The spelling of 136503131850157 in words is "one hundred thirty-six trillion, five hundred three billion, one hundred thirty-one million, eight hundred fifty thousand, one hundred fifty-seven".