140283020 has 12 divisors (see below), whose sum is σ = 294594384. Its totient is φ = 56113200.

The previous prime is 140283019. The next prime is 140283043. The reversal of 140283020 is 20382041.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 7014151 = 140283020 / (1 + 4 + 0 + 2 + 8 + 3 + 0 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 140282983 and 140283001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3507056 + ... + 3507095.

It is an arithmetic number, because the mean of its divisors is an integer number (24549532).

Almost surely, 2^140283020 is an apocalyptic number.

140283020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140283020 is an abundant number, since it is smaller than the sum of its proper divisors (154311364).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140283020 is a wasteful number, since it uses less digits than its factorization.

140283020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7014160 (or 7014158 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 140283020 is about 11844.1133057735. The cubic root of 140283020 is about 519.5990745910.

The spelling of 140283020 in words is "one hundred forty million, two hundred eighty-three thousand, twenty".