398232179139 has 8 divisors (see below), whose sum is σ = 543926878992. Its totient is φ = 259012799360.

The previous prime is 398232179129. The next prime is 398232179141. The reversal of 398232179139 is 931971232893.

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

It is a cyclic number.

It is not a de Polignac number, because 398232179139 - 2³³ = 389642244547 is a prime.

It is not an unprimeable number, because it can be changed into a prime (398232179129) 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, 1618829874 + ... + 1618830119.

It is an arithmetic number, because the mean of its divisors is an integer number (67990859874).

Almost surely, 2^398232179139 is an apocalyptic number.

398232179139 is a deficient number, since it is larger than the sum of its proper divisors (145694699853).

398232179139 is a wasteful number, since it uses less digits than its factorization.

398232179139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3237660037.

The product of its digits is 4408992, while the sum is 57.

The spelling of 398232179139 in words is "three hundred ninety-eight billion, two hundred thirty-two million, one hundred seventy-nine thousand, one hundred thirty-nine".