100140001 has 8 divisors (see below), whose sum is σ = 107971304. Its totient is φ = 92327040.

The previous prime is 100139993. The next prime is 100140011. The reversal of 100140001 is 100041001.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3629025 + 96510976 = 1905^2 + 9824^2 .

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

It is not a de Polignac number, because 100140001 - 2³ = 100139993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100140011) 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, 8071 + ... + 16291.

It is an arithmetic number, because the mean of its divisors is an integer number (13496413).

Almost surely, 2^100140001 is an apocalyptic number.

It is an amenable number.

100140001 is a deficient number, since it is larger than the sum of its proper divisors (7831303).

100140001 is an equidigital number, since it uses as much as digits as its factorization.

100140001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9171.

The product of its (nonzero) digits is 4, while the sum is 7.

The square root of 100140001 is about 10006.9976016785. The cubic root of 100140001 is about 464.3753913810.

Adding to 100140001 its reverse (100041001), we get a palindrome (200181002).

The spelling of 100140001 in words is "one hundred million, one hundred forty thousand, one".