1513374887137 has 2 divisors, whose sum is σ = 1513374887138. Its totient is φ = 1513374887136.

The previous prime is 1513374887083. The next prime is 1513374887147. The reversal of 1513374887137 is 7317884733151.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1235852432721 + 277522454416 = 1111689^2 + 526804^2 .

It is an emirp because it is prime and its reverse (7317884733151) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1513374887137 - 2¹¹ = 1513374885089 is a prime.

It is not a weakly prime, because it can be changed into another prime (1513374887147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 756687443568 + 756687443569.

It is an arithmetic number, because the mean of its divisors is an integer number (756687443569).

Almost surely, 2^{1513374887137} is an apocalyptic number.

It is an amenable number.

1513374887137 is a deficient number, since it is larger than the sum of its proper divisors (1).

1513374887137 is an equidigital number, since it uses as much as digits as its factorization.

1513374887137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11854080, while the sum is 58.

The spelling of 1513374887137 in words is "one trillion, five hundred thirteen billion, three hundred seventy-four million, eight hundred eighty-seven thousand, one hundred thirty-seven".