140005104 has 80 divisors (see below), whose sum is σ = 372357120. Its totient is φ = 45308160.

The previous prime is 140005067. The next prime is 140005111. The reversal of 140005104 is 401500041.

It is a congruent number.

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, 516489 + ... + 516759.

It is an arithmetic number, because the mean of its divisors is an integer number (4654464).

Almost surely, 2^140005104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140005104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (186178560).

140005104 is an abundant number, since it is smaller than the sum of its proper divisors (232352016).

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

140005104 is a wasteful number, since it uses less digits than its factorization.

140005104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 558 (or 552 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 140005104 is about 11832.3752475993. The cubic root of 140005104 is about 519.2557202251.

Adding to 140005104 its reverse (401500041), we get a palindrome (541505145).

The spelling of 140005104 in words is "one hundred forty million, five thousand, one hundred four".