100140441 has 4 divisors (see below), whose sum is σ = 133520592. Its totient is φ = 66760292.

The previous prime is 100140437. The next prime is 100140449. The reversal of 100140441 is 144041001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 100140441 - 2² = 100140437 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 100140441.

It is not an unprimeable number, because it can be changed into a prime (100140449) 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 3 ways as a sum of consecutive naturals, for example, 16690071 + ... + 16690076.

It is an arithmetic number, because the mean of its divisors is an integer number (33380148).

Almost surely, 2^100140441 is an apocalyptic number.

It is an amenable number.

100140441 is a deficient number, since it is larger than the sum of its proper divisors (33380151).

100140441 is an equidigital number, since it uses as much as digits as its factorization.

100140441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33380150.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 100140441 is about 10007.0195862704. The cubic root of 100140441 is about 464.3760715117.

Adding to 100140441 its reverse (144041001), we get a palindrome (244181442).

The spelling of 100140441 in words is "one hundred million, one hundred forty thousand, four hundred forty-one".