108029420638 has 8 divisors (see below), whose sum is σ = 165996426960. Its totient is φ = 52697278320.

The previous prime is 108029420633. The next prime is 108029420641. The reversal of 108029420638 is 836024920801.

108029420638 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 108029420594 and 108029420603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108029420633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 658715898 + ... + 658716061.

It is an arithmetic number, because the mean of its divisors is an integer number (20749553370).

Almost surely, 2^108029420638 is an apocalyptic number.

108029420638 is a deficient number, since it is larger than the sum of its proper divisors (57967006322).

108029420638 is a wasteful number, since it uses less digits than its factorization.

108029420638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1317432002.

The product of its (nonzero) digits is 165888, while the sum is 43.

The spelling of 108029420638 in words is "one hundred eight billion, twenty-nine million, four hundred twenty thousand, six hundred thirty-eight".