104188140 has 192 divisors, whose sum is σ = 379653120. Its totient is φ = 23224320.

The previous prime is 104188129. The next prime is 104188141. The reversal of 104188140 is 41881401.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (104188141) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 162220 + ... + 162860.

It is an arithmetic number, because the mean of its divisors is an integer number (1977360).

Almost surely, 2^104188140 is an apocalyptic number.

104188140 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 104188140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (189826560).

104188140 is an abundant number, since it is smaller than the sum of its proper divisors (275464980).

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

104188140 is a wasteful number, since it uses less digits than its factorization.

104188140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 709 (or 701 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 27.

The square root of 104188140 is about 10207.2591815825. The cubic root of 104188140 is about 470.5503437076.

The spelling of 104188140 in words is "one hundred four million, one hundred eighty-eight thousand, one hundred forty".