98936139 has 16 divisors (see below), whose sum is σ = 137728800. Its totient is φ = 63092736.

The previous prime is 98936137. The next prime is 98936143. The reversal of 98936139 is 93163989.

It is a happy number.

It is not a de Polignac number, because 98936139 - 2¹ = 98936137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (98936137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4267 + ... + 14699.

It is an arithmetic number, because the mean of its divisors is an integer number (8608050).

Almost surely, 2^98936139 is an apocalyptic number.

98936139 is a deficient number, since it is larger than the sum of its proper divisors (38792661).

98936139 is a wasteful number, since it uses less digits than its factorization.

98936139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10574.

The product of its digits is 314928, while the sum is 48.

The square root of 98936139 is about 9946.6647173814. The cubic root of 98936139 is about 462.5070097793.

It can be divided in two parts, 989 and 36139, that added together give a triangular number (37128 = T₂₇₂).

The spelling of 98936139 in words is "ninety-eight million, nine hundred thirty-six thousand, one hundred thirty-nine".