13003520137 has 2 divisors, whose sum is σ = 13003520138. Its totient is φ = 13003520136.

The previous prime is 13003520129. The next prime is 13003520147. The reversal of 13003520137 is 73102530031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12975260281 + 28259856 = 113909^2 + 5316^2 .

It is an emirp because it is prime and its reverse (73102530031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13003520137 - 2³ = 13003520129 is a prime.

It is not a weakly prime, because it can be changed into another prime (13003520147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6501760068 + 6501760069.

It is an arithmetic number, because the mean of its divisors is an integer number (6501760069).

Almost surely, 2^13003520137 is an apocalyptic number.

It is an amenable number.

13003520137 is a deficient number, since it is larger than the sum of its proper divisors (1).

13003520137 is an equidigital number, since it uses as much as digits as its factorization.

13003520137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1890, while the sum is 25.

The spelling of 13003520137 in words is "thirteen billion, three million, five hundred twenty thousand, one hundred thirty-seven".