140447983 has 8 divisors (see below), whose sum is σ = 151348176. Its totient is φ = 129561600.

The previous prime is 140447971. The next prime is 140447987. The reversal of 140447983 is 389744041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 140447983 - 2⁹ = 140447471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140447987) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29103 + ... + 33583.

It is an arithmetic number, because the mean of its divisors is an integer number (18918522).

Almost surely, 2^140447983 is an apocalyptic number.

140447983 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

140447983 is a deficient number, since it is larger than the sum of its proper divisors (10900193).

140447983 is a wasteful number, since it uses less digits than its factorization.

140447983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6905.

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 140447983 is about 11851.0751832903. The cubic root of 140447983 is about 519.8026655077.

The spelling of 140447983 in words is "one hundred forty million, four hundred forty-seven thousand, nine hundred eighty-three".