288139089 has 8 divisors (see below), whose sum is σ = 439069120. Its totient is φ = 164650896.

The previous prime is 288139043. The next prime is 288139127. The reversal of 288139089 is 980931882.

It is a happy number.

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

It is not a de Polignac number, because 288139089 - 2¹³ = 288130897 is a prime.

It is not an unprimeable number, because it can be changed into a prime (288159089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6860434 + ... + 6860475.

It is an arithmetic number, because the mean of its divisors is an integer number (54883640).

Almost surely, 2^288139089 is an apocalyptic number.

It is an amenable number.

288139089 is a deficient number, since it is larger than the sum of its proper divisors (150930031).

288139089 is a wasteful number, since it uses less digits than its factorization.

288139089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13720919.

The product of its (nonzero) digits is 248832, while the sum is 48.

The square root of 288139089 is about 16974.6602027846. The cubic root of 288139089 is about 660.4917432617.

The spelling of 288139089 in words is "two hundred eighty-eight million, one hundred thirty-nine thousand, eighty-nine".