15340502137 has 2 divisors, whose sum is σ = 15340502138. Its totient is φ = 15340502136.

The previous prime is 15340502123. The next prime is 15340502171. The reversal of 15340502137 is 73120504351.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11871409936 + 3469092201 = 108956^2 + 58899^2 .

It is an emirp because it is prime and its reverse (73120504351) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15340502137 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 15340502099 and 15340502108.

It is not a weakly prime, because it can be changed into another prime (15340502237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7670251068 + 7670251069.

It is an arithmetic number, because the mean of its divisors is an integer number (7670251069).

Almost surely, 2^15340502137 is an apocalyptic number.

It is an amenable number.

15340502137 is a deficient number, since it is larger than the sum of its proper divisors (1).

15340502137 is an equidigital number, since it uses as much as digits as its factorization.

15340502137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12600, while the sum is 31.

The spelling of 15340502137 in words is "fifteen billion, three hundred forty million, five hundred two thousand, one hundred thirty-seven".