14138768537 has 2 divisors, whose sum is σ = 14138768538. Its totient is φ = 14138768536.

The previous prime is 14138768521. The next prime is 14138768549. The reversal of 14138768537 is 73586783141.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13247089216 + 891679321 = 115096^2 + 29861^2 .

It is a cyclic number.

It is not a de Polignac number, because 14138768537 - 2⁴ = 14138768521 is a prime.

It is a super-2 number, since 2×14138768537² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (14138968537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7069384268 + 7069384269.

It is an arithmetic number, because the mean of its divisors is an integer number (7069384269).

Almost surely, 2^14138768537 is an apocalyptic number.

It is an amenable number.

14138768537 is a deficient number, since it is larger than the sum of its proper divisors (1).

14138768537 is an equidigital number, since it uses as much as digits as its factorization.

14138768537 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3386880, while the sum is 53.

The spelling of 14138768537 in words is "fourteen billion, one hundred thirty-eight million, seven hundred sixty-eight thousand, five hundred thirty-seven".