140444004 has 24 divisors (see below), whose sum is σ = 346979808. Its totient is φ = 44060800.

The previous prime is 140443999. The next prime is 140444009. The reversal of 140444004 is 400444041.

140444004 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (140443999) and next prime (140444009).

It is not an unprimeable number, because it can be changed into a prime (140444009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 344022 + ... + 344429.

It is an arithmetic number, because the mean of its divisors is an integer number (14457492).

Almost surely, 2^140444004 is an apocalyptic number.

It is an amenable number.

140444004 is an abundant number, since it is smaller than the sum of its proper divisors (206535804).

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

140444004 is a wasteful number, since it uses less digits than its factorization.

140444004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 688475 (or 688473 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 140444004 is about 11850.9073070377. The cubic root of 140444004 is about 519.7977566575.

Adding to 140444004 its reverse (400444041), we get a palindrome (540888045).

The spelling of 140444004 in words is "one hundred forty million, four hundred forty-four thousand, four".