104042140 has 24 divisors (see below), whose sum is σ = 226023840. Its totient is φ = 40181568.

The previous prime is 104042123. The next prime is 104042143. The reversal of 104042140 is 41240401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104042143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89112 + ... + 90271.

It is an arithmetic number, because the mean of its divisors is an integer number (9417660).

Almost surely, 2^104042140 is an apocalyptic number.

104042140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

104042140 is an abundant number, since it is smaller than the sum of its proper divisors (121981700).

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

104042140 is a wasteful number, since it uses less digits than its factorization.

104042140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179421 (or 179419 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 104042140 is about 10200.1049014214. The cubic root of 104042140 is about 470.3304451492.

Adding to 104042140 its reverse (41240401), we get a palindrome (145282541).

It can be divided in two parts, 10404 and 2140, that added together give a square (12544 = 112²).

The spelling of 104042140 in words is "one hundred four million, forty-two thousand, one hundred forty".