140336404 has 12 divisors (see below), whose sum is σ = 264480244. Its totient is φ = 64770624.

The previous prime is 140336393. The next prime is 140336419. The reversal of 140336404 is 404633041.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 6240004 + 134096400 = 2498^2 + 11580^2 .

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 1349337 + ... + 1349440.

Almost surely, 2^140336404 is an apocalyptic number.

It is an amenable number.

140336404 is a deficient number, since it is larger than the sum of its proper divisors (124143840).

140336404 is a wasteful number, since it uses less digits than its factorization.

140336404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2698794 (or 2698792 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 140336404 is about 11846.3667003854. The cubic root of 140336404 is about 519.6649765065.

Adding to 140336404 its reverse (404633041), we get a palindrome (544969445).

The spelling of 140336404 in words is "one hundred forty million, three hundred thirty-six thousand, four hundred four".