128631162239 has 8 divisors (see below), whose sum is σ = 129626362800. Its totient is φ = 127636163200.

The previous prime is 128631162223. The next prime is 128631162277. The reversal of 128631162239 is 932261136821.

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 128631162239 - 2⁴ = 128631162223 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 128631162239.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128631162739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1389479 + ... + 1479159.

It is an arithmetic number, because the mean of its divisors is an integer number (16203295350).

Almost surely, 2^128631162239 is an apocalyptic number.

128631162239 is a deficient number, since it is larger than the sum of its proper divisors (995200561).

128631162239 is a wasteful number, since it uses less digits than its factorization.

128631162239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100761.

The product of its digits is 186624, while the sum is 44.

The spelling of 128631162239 in words is "one hundred twenty-eight billion, six hundred thirty-one million, one hundred sixty-two thousand, two hundred thirty-nine".