104220140 has 48 divisors (see below), whose sum is σ = 228178944. Its totient is φ = 39940800.

The previous prime is 104220133. The next prime is 104220161. The reversal of 104220140 is 41022401.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65555 + ... + 67125.

It is an arithmetic number, because the mean of its divisors is an integer number (4753728).

Almost surely, 2^104220140 is an apocalyptic number.

104220140 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 104220140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114089472).

104220140 is an abundant number, since it is smaller than the sum of its proper divisors (123958804).

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

104220140 is a wasteful number, since it uses less digits than its factorization.

104220140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1718 (or 1716 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 104220140 is about 10208.8265731180. The cubic root of 104220140 is about 470.5985132008.

Adding to 104220140 its reverse (41022401), we get a palindrome (145242541).

The spelling of 104220140 in words is "one hundred four million, two hundred twenty thousand, one hundred forty".