140005304 has 8 divisors (see below), whose sum is σ = 262509960. Its totient is φ = 70002648.

The previous prime is 140005303. The next prime is 140005337. The reversal of 140005304 is 403500041.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140005303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8750324 + ... + 8750339.

It is an arithmetic number, because the mean of its divisors is an integer number (32813745).

Almost surely, 2^140005304 is an apocalyptic number.

It is an amenable number.

140005304 is a deficient number, since it is larger than the sum of its proper divisors (122504656).

140005304 is a wasteful number, since it uses less digits than its factorization.

140005304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17500669 (or 17500665 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 140005304 is about 11832.3836989847. The cubic root of 140005304 is about 519.2559674806.

Adding to 140005304 its reverse (403500041), we get a palindrome (543505345).

The spelling of 140005304 in words is "one hundred forty million, five thousand, three hundred four".