100500140 has 96 divisors (see below), whose sum is σ = 241672704. Its totient is φ = 34836480.

The previous prime is 100500131. The next prime is 100500157. The reversal of 100500140 is 41005001.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 298052 + ... + 298388.

It is an arithmetic number, because the mean of its divisors is an integer number (2517424).

Almost surely, 2^100500140 is an apocalyptic number.

100500140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 100500140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120836352).

100500140 is an abundant number, since it is smaller than the sum of its proper divisors (141172564).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

100500140 is a wasteful number, since it uses less digits than its factorization.

100500140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427 (or 425 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 11.

The square root of 100500140 is about 10024.9758104446. The cubic root of 100500140 is about 464.9314116279.

Adding to 100500140 its reverse (41005001), we get a palindrome (141505141).

The spelling of 100500140 in words is "one hundred million, five hundred thousand, one hundred forty".