7236698137 has 2 divisors, whose sum is σ = 7236698138. Its totient is φ = 7236698136.

The previous prime is 7236698111. The next prime is 7236698143. The reversal of 7236698137 is 7318966327.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7218881296 + 17816841 = 84964^2 + 4221^2 .

It is a cyclic number.

It is not a de Polignac number, because 7236698137 - 2¹⁵ = 7236665369 is a prime.

It is not a weakly prime, because it can be changed into another prime (7236698107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3618349068 + 3618349069.

It is an arithmetic number, because the mean of its divisors is an integer number (3618349069).

Almost surely, 2^7236698137 is an apocalyptic number.

It is an amenable number.

7236698137 is a deficient number, since it is larger than the sum of its proper divisors (1).

7236698137 is an equidigital number, since it uses as much as digits as its factorization.

7236698137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2286144, while the sum is 52.

The square root of 7236698137 is about 85068.7847391745. The cubic root of 7236698137 is about 1934.2539204732.

The spelling of 7236698137 in words is "seven billion, two hundred thirty-six million, six hundred ninety-eight thousand, one hundred thirty-seven".