138418325889 has 8 divisors (see below), whose sum is σ = 189059176992. Its totient is φ = 90028179360.

The previous prime is 138418325839. The next prime is 138418325911. The reversal of 138418325889 is 988523814831.

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

It is not a de Polignac number, because 138418325889 - 2¹⁵ = 138418293121 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (138418325839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 562675999 + ... + 562676244.

It is an arithmetic number, because the mean of its divisors is an integer number (23632397124).

Almost surely, 2^138418325889 is an apocalyptic number.

It is an amenable number.

138418325889 is a deficient number, since it is larger than the sum of its proper divisors (50640851103).

138418325889 is a wasteful number, since it uses less digits than its factorization.

138418325889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1125352287.

The product of its digits is 13271040, while the sum is 60.

The spelling of 138418325889 in words is "one hundred thirty-eight billion, four hundred eighteen million, three hundred twenty-five thousand, eight hundred eighty-nine".