140105404 has 12 divisors (see below), whose sum is σ = 245786800. Its totient is φ = 69880608.

The previous prime is 140105401. The next prime is 140105437. The reversal of 140105404 is 404501041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140105401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41184 + ... + 44455.

Almost surely, 2^140105404 is an apocalyptic number.

It is an amenable number.

140105404 is a deficient number, since it is larger than the sum of its proper divisors (105681396).

140105404 is a wasteful number, since it uses less digits than its factorization.

140105404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86052 (or 86050 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 140105404 is about 11836.6128601049. The cubic root of 140105404 is about 519.3796893165.

Adding to 140105404 its reverse (404501041), we get a palindrome (544606445).

The spelling of 140105404 in words is "one hundred forty million, one hundred five thousand, four hundred four".