140283321 has 8 divisors (see below), whose sum is σ = 187126560. Its totient is φ = 93481152.

The previous prime is 140283301. The next prime is 140283323. The reversal of 140283321 is 123382041.

140283321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 140283321 - 2⁶ = 140283257 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 140283291 and 140283300.

It is not an unprimeable number, because it can be changed into a prime (140283323) 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, 1135 + ... + 16788.

It is an arithmetic number, because the mean of its divisors is an integer number (23390820).

Almost surely, 2^140283321 is an apocalyptic number.

It is an amenable number.

140283321 is a deficient number, since it is larger than the sum of its proper divisors (46843239).

140283321 is a wasteful number, since it uses less digits than its factorization.

140283321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20535.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 140283321 is about 11844.1260125009. The cubic root of 140283321 is about 519.5994462188.

The spelling of 140283321 in words is "one hundred forty million, two hundred eighty-three thousand, three hundred twenty-one".