99008137 has 2 divisors, whose sum is σ = 99008138. Its totient is φ = 99008136.

The previous prime is 99008113. The next prime is 99008149. The reversal of 99008137 is 73180099.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 81793936 + 17214201 = 9044^2 + 4149^2 .

It is an emirp because it is prime and its reverse (73180099) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99008137 is a prime.

It is a super-2 number, since 2×99008137² = 19605222384421538, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 99008096 and 99008105.

It is not a weakly prime, because it can be changed into another prime (99008177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49504068 + 49504069.

It is an arithmetic number, because the mean of its divisors is an integer number (49504069).

Almost surely, 2^99008137 is an apocalyptic number.

It is an amenable number.

99008137 is a deficient number, since it is larger than the sum of its proper divisors (1).

99008137 is an equidigital number, since it uses as much as digits as its factorization.

99008137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608, while the sum is 37.

The square root of 99008137 is about 9950.2832622996. The cubic root of 99008137 is about 462.6191747431.

The spelling of 99008137 in words is "ninety-nine million, eight thousand, one hundred thirty-seven".