100140446 has 8 divisors (see below), whose sum is σ = 171669360. Its totient is φ = 42917328.

The previous prime is 100140437. The next prime is 100140449. The reversal of 100140446 is 644041001.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100140449) 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, 3576431 + ... + 3576458.

It is an arithmetic number, because the mean of its divisors is an integer number (21458670).

Almost surely, 2^100140446 is an apocalyptic number.

100140446 is a deficient number, since it is larger than the sum of its proper divisors (71528914).

100140446 is an equidigital number, since it uses as much as digits as its factorization.

100140446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7152898.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 100140446 is about 10007.0198360951. The cubic root of 100140446 is about 464.3760792405.

Adding to 100140446 its reverse (644041001), we get a palindrome (744181447).

The spelling of 100140446 in words is "one hundred million, one hundred forty thousand, four hundred forty-six".