100288139 has 8 divisors (see below), whose sum is σ = 116229888. Its totient is φ = 84750120.

The previous prime is 100288129. The next prime is 100288159. The reversal of 100288139 is 931882001.

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

It is a de Polignac number, because none of the positive numbers 2^k-100288139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100288109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100397 + ... + 101390.

It is an arithmetic number, because the mean of its divisors is an integer number (14528736).

Almost surely, 2^100288139 is an apocalyptic number.

100288139 is a deficient number, since it is larger than the sum of its proper divisors (15941749).

100288139 is an equidigital number, since it uses as much as digits as its factorization.

100288139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201865.

The product of its (nonzero) digits is 3456, while the sum is 32.

The square root of 100288139 is about 10014.3965869143. The cubic root of 100288139 is about 464.6042634519.

The spelling of 100288139 in words is "one hundred million, two hundred eighty-eight thousand, one hundred thirty-nine".