13988403137 has 2 divisors, whose sum is σ = 13988403138. Its totient is φ = 13988403136.

The previous prime is 13988403101. The next prime is 13988403139. The reversal of 13988403137 is 73130488931.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12655350016 + 1333053121 = 112496^2 + 36511^2 .

It is a cyclic number.

It is not a de Polignac number, because 13988403137 - 2⁸ = 13988402881 is a prime.

Together with 13988403139, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 13988403091 and 13988403100.

It is not a weakly prime, because it can be changed into another prime (13988403139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6994201568 + 6994201569.

It is an arithmetic number, because the mean of its divisors is an integer number (6994201569).

Almost surely, 2^13988403137 is an apocalyptic number.

It is an amenable number.

13988403137 is a deficient number, since it is larger than the sum of its proper divisors (1).

13988403137 is an equidigital number, since it uses as much as digits as its factorization.

13988403137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 435456, while the sum is 47.

The spelling of 13988403137 in words is "thirteen billion, nine hundred eighty-eight million, four hundred three thousand, one hundred thirty-seven".