98136439 has 2 divisors, whose sum is σ = 98136440. Its totient is φ = 98136438.

The previous prime is 98136433. The next prime is 98136457. The reversal of 98136439 is 93463189.

It is a weak prime.

It is an emirp because it is prime and its reverse (93463189) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 98136439 - 2¹¹ = 98134391 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 98136395 and 98136404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98136433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49068219 + 49068220.

It is an arithmetic number, because the mean of its divisors is an integer number (49068220).

Almost surely, 2^98136439 is an apocalyptic number.

98136439 is a deficient number, since it is larger than the sum of its proper divisors (1).

98136439 is an equidigital number, since it uses as much as digits as its factorization.

98136439 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 139968, while the sum is 43.

The square root of 98136439 is about 9906.3837498857. The cubic root of 98136439 is about 461.2574903002.

The spelling of 98136439 in words is "ninety-eight million, one hundred thirty-six thousand, four hundred thirty-nine".