140104344 has 32 divisors (see below), whose sum is σ = 370865520. Its totient is φ = 43954176.

The previous prime is 140104333. The next prime is 140104351. The reversal of 140104344 is 443401041.

It is a self number, because there is not a number n which added to its sum of digits gives 140104344.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 171289 + ... + 172104.

Almost surely, 2^140104344 is an apocalyptic number.

It is an amenable number.

140104344 is an abundant number, since it is smaller than the sum of its proper divisors (230761176).

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

140104344 is a wasteful number, since it uses less digits than its factorization.

140104344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343419 (or 343415 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 140104344 is about 11836.5680836972. The cubic root of 140104344 is about 519.3783794839.

Adding to 140104344 its reverse (443401041), we get a palindrome (583505385).

The spelling of 140104344 in words is "one hundred forty million, one hundred four thousand, three hundred forty-four".