7136988197 has 2 divisors, whose sum is σ = 7136988198. Its totient is φ = 7136988196.

The previous prime is 7136988179. The next prime is 7136988239. The reversal of 7136988197 is 7918896317.

Together with previous prime (7136988179) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7131633601 + 5354596 = 84449^2 + 2314^2 .

It is an emirp because it is prime and its reverse (7918896317) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7136988197 - 2⁸ = 7136987941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7136988797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3568494098 + 3568494099.

It is an arithmetic number, because the mean of its divisors is an integer number (3568494099).

Almost surely, 2^7136988197 is an apocalyptic number.

It is an amenable number.

7136988197 is a deficient number, since it is larger than the sum of its proper divisors (1).

7136988197 is an equidigital number, since it uses as much as digits as its factorization.

7136988197 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4572288, while the sum is 59.

The square root of 7136988197 is about 84480.6971858069. The cubic root of 7136988197 is about 1925.3291793953.

The spelling of 7136988197 in words is "seven billion, one hundred thirty-six million, nine hundred eighty-eight thousand, one hundred ninety-seven".