98307139 has 4 divisors (see below), whose sum is σ = 112351024. Its totient is φ = 84263256.

The previous prime is 98307133. The next prime is 98307149. The reversal of 98307139 is 93170389.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 98307139 - 2¹⁹ = 97782851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (98307133) 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, 7021932 + ... + 7021945.

It is an arithmetic number, because the mean of its divisors is an integer number (28087756).

Almost surely, 2^98307139 is an apocalyptic number.

98307139 is a deficient number, since it is larger than the sum of its proper divisors (14043885).

98307139 is a wasteful number, since it uses less digits than its factorization.

98307139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14043884.

The product of its (nonzero) digits is 40824, while the sum is 40.

The square root of 98307139 is about 9914.9956631357. The cubic root of 98307139 is about 461.5247747957.

The spelling of 98307139 in words is "ninety-eight million, three hundred seven thousand, one hundred thirty-nine".