99139246 has 8 divisors (see below), whose sum is σ = 155174544. Its totient is φ = 47414400.

The previous prime is 99139241. The next prime is 99139253. The reversal of 99139246 is 64293199.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99139241) 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 in 3 ways as a sum of consecutive naturals, for example, 1077555 + ... + 1077646.

It is an arithmetic number, because the mean of its divisors is an integer number (19396818).

Almost surely, 2^99139246 is an apocalyptic number.

99139246 is a deficient number, since it is larger than the sum of its proper divisors (56035298).

99139246 is a wasteful number, since it uses less digits than its factorization.

99139246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2155226.

The product of its digits is 104976, while the sum is 43.

The square root of 99139246 is about 9956.8692870802. The cubic root of 99139246 is about 462.8232885528.

The spelling of 99139246 in words is "ninety-nine million, one hundred thirty-nine thousand, two hundred forty-six".