140404672 has 28 divisors (see below), whose sum is σ = 279802336. Its totient is φ = 69903360.

The previous prime is 140404657. The next prime is 140404681. The reversal of 140404672 is 276404041.

It is a self number, because there is not a number n which added to its sum of digits gives 140404672.

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, 10873 + ... + 19975.

Almost surely, 2^140404672 is an apocalyptic number.

It is an amenable number.

140404672 is a deficient number, since it is larger than the sum of its proper divisors (139397664).

140404672 is an equidigital number, since it uses as much as digits as its factorization.

140404672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9356 (or 9346 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 140404672 is about 11849.2477398356. The cubic root of 140404672 is about 519.7492281963.

The spelling of 140404672 in words is "one hundred forty million, four hundred four thousand, six hundred seventy-two".