100475839 has 6 divisors (see below), whose sum is σ = 100955360. Its totient is φ = 99998556.

The previous prime is 100475833. The next prime is 100475849. The reversal of 100475839 is 938574001.

It is not a de Polignac number, because 100475839 - 2¹⁷ = 100344767 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100475798 and 100475807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100475833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 56242 + ... + 58000.

Almost surely, 2^100475839 is an apocalyptic number.

100475839 is a deficient number, since it is larger than the sum of its proper divisors (479521).

100475839 is an frugal number, since it uses more digits than its factorization.

100475839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2237 (or 1998 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 100475839 is about 10023.7637142941. The cubic root of 100475839 is about 464.8939350333.

The spelling of 100475839 in words is "one hundred million, four hundred seventy-five thousand, eight hundred thirty-nine".