98135605 has 4 divisors (see below), whose sum is σ = 117762732. Its totient is φ = 78508480.

The previous prime is 98135603. The next prime is 98135633. The reversal of 98135605 is 50653189.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50653189 = 173 ⋅292793.

It can be written as a sum of positive squares in 2 ways, for example, as 45239076 + 52896529 = 6726^2 + 7273^2 .

It is not a de Polignac number, because 98135605 - 2¹ = 98135603 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98135603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9813556 + ... + 9813565.

It is an arithmetic number, because the mean of its divisors is an integer number (29440683).

Almost surely, 2^98135605 is an apocalyptic number.

It is an amenable number.

98135605 is a deficient number, since it is larger than the sum of its proper divisors (19627127).

98135605 is a wasteful number, since it uses less digits than its factorization.

98135605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19627126.

The product of its (nonzero) digits is 32400, while the sum is 37.

The square root of 98135605 is about 9906.3416557274. The cubic root of 98135605 is about 461.2561836506.

The spelling of 98135605 in words is "ninety-eight million, one hundred thirty-five thousand, six hundred five".