118139623289 has 8 divisors (see below), whose sum is σ = 119125765320. Its totient is φ = 117156439296.

The previous prime is 118139623247. The next prime is 118139623297. The reversal of 118139623289 is 982326931811.

It can be written as a sum of positive squares in 4 ways, for example, as 57027828025 + 61111795264 = 238805^2 + 247208^2 .

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 118139623289 - 2³² = 113844655993 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 118139623289.

It is not an unprimeable number, because it can be changed into a prime (118139623229) 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, 659264 + ... + 819089.

It is an arithmetic number, because the mean of its divisors is an integer number (14890720665).

Almost surely, 2^118139623289 is an apocalyptic number.

It is an amenable number.

118139623289 is a deficient number, since it is larger than the sum of its proper divisors (986142031).

118139623289 is a wasteful number, since it uses less digits than its factorization.

118139623289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1479019.

The product of its digits is 1119744, while the sum is 53.

The spelling of 118139623289 in words is "one hundred eighteen billion, one hundred thirty-nine million, six hundred twenty-three thousand, two hundred eighty-nine".