13314156637 has 2 divisors, whose sum is σ = 13314156638. Its totient is φ = 13314156636.

The previous prime is 13314156631. The next prime is 13314156677. The reversal of 13314156637 is 73665141331.

It is a happy number.

It is an a-pointer prime, because the next prime (13314156677) can be obtained adding 13314156637 to its sum of digits (40).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13103151961 + 211004676 = 114469^2 + 14526^2 .

It is a cyclic number.

It is not a de Polignac number, because 13314156637 - 2³ = 13314156629 is a prime.

It is a super-2 number, since 2×13314156637² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13314156637.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13314156631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6657078318 + 6657078319.

It is an arithmetic number, because the mean of its divisors is an integer number (6657078319).

Almost surely, 2^13314156637 is an apocalyptic number.

It is an amenable number.

13314156637 is a deficient number, since it is larger than the sum of its proper divisors (1).

13314156637 is an equidigital number, since it uses as much as digits as its factorization.

13314156637 is an evil number, because the sum of its binary digits is even.

The product of its digits is 136080, while the sum is 40.

Adding to 13314156637 its reverse (73665141331), we get a palindrome (86979297968).

The spelling of 13314156637 in words is "thirteen billion, three hundred fourteen million, one hundred fifty-six thousand, six hundred thirty-seven".