138051641643 has 8 divisors (see below), whose sum is σ = 184197670800. Its totient is φ = 91970020128.

The previous prime is 138051641597. The next prime is 138051641657. The reversal of 138051641643 is 346146150831.

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

It is not a de Polignac number, because 138051641643 - 2²¹ = 138049544491 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 138051641595 and 138051641604.

It is not an unprimeable number, because it can be changed into a prime (138051641683) 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, 16096908 + ... + 16105481.

It is an arithmetic number, because the mean of its divisors is an integer number (23024708850).

Almost surely, 2^138051641643 is an apocalyptic number.

138051641643 is a deficient number, since it is larger than the sum of its proper divisors (46146029157).

138051641643 is a wasteful number, since it uses less digits than its factorization.

138051641643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32203821.

The product of its (nonzero) digits is 207360, while the sum is 42.

The spelling of 138051641643 in words is "one hundred thirty-eight billion, fifty-one million, six hundred forty-one thousand, six hundred forty-three".