100140017 has 4 divisors (see below), whose sum is σ = 100316580. Its totient is φ = 99963456.

The previous prime is 100140011. The next prime is 100140031. The reversal of 100140017 is 710041001.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 24641296 + 75498721 = 4964^2 + 8689^2 .

It is a cyclic number.

It is not a de Polignac number, because 100140017 - 2¹⁴ = 100123633 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100139983 and 100140010.

It is not an unprimeable number, because it can be changed into a prime (100140011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87428 + ... + 88565.

It is an arithmetic number, because the mean of its divisors is an integer number (25079145).

Almost surely, 2^100140017 is an apocalyptic number.

It is an amenable number.

100140017 is a deficient number, since it is larger than the sum of its proper divisors (176563).

100140017 is an equidigital number, since it uses as much as digits as its factorization.

100140017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176562.

The product of its (nonzero) digits is 28, while the sum is 14.

The square root of 100140017 is about 10006.9984011191. The cubic root of 100140017 is about 464.3754161131.

Adding to 100140017 its reverse (710041001), we get a palindrome (810181018).

The spelling of 100140017 in words is "one hundred million, one hundred forty thousand, seventeen".