99326137 has 2 divisors, whose sum is σ = 99326138. Its totient is φ = 99326136.

The previous prime is 99326111. The next prime is 99326153. The reversal of 99326137 is 73162399.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 80568576 + 18757561 = 8976^2 + 4331^2 .

It is an emirp because it is prime and its reverse (73162399) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 99326137 - 2⁷ = 99326009 is a prime.

It is equal to p_5724778 and since 99326137 and 5724778 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 99326137.

It is not a weakly prime, because it can be changed into another prime (99326237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49663068 + 49663069.

It is an arithmetic number, because the mean of its divisors is an integer number (49663069).

Almost surely, 2^99326137 is an apocalyptic number.

It is an amenable number.

99326137 is a deficient number, since it is larger than the sum of its proper divisors (1).

99326137 is an equidigital number, since it uses as much as digits as its factorization.

99326137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 61236, while the sum is 40.

The square root of 99326137 is about 9966.2498965258. The cubic root of 99326137 is about 463.1139343342.

The spelling of 99326137 in words is "ninety-nine million, three hundred twenty-six thousand, one hundred thirty-seven".