140324020 has 12 divisors (see below), whose sum is σ = 294680484. Its totient is φ = 56129600.

The previous prime is 140323993. The next prime is 140324021. The reversal of 140324020 is 20423041.

It can be written as a sum of positive squares in 2 ways, for example, as 40883236 + 99440784 = 6394^2 + 9972^2 .

It is a junction number, because it is equal to n+sod(n) for n = 140323985 and 140324003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140324021) by changing a digit.

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, 3508081 + ... + 3508120.

It is an arithmetic number, because the mean of its divisors is an integer number (24556707).

Almost surely, 2^140324020 is an apocalyptic number.

140324020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140324020 is an abundant number, since it is smaller than the sum of its proper divisors (154356464).

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

140324020 is a wasteful number, since it uses less digits than its factorization.

140324020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7016210 (or 7016208 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 140324020 is about 11845.8439969468. The cubic root of 140324020 is about 519.6496900942.

Adding to 140324020 its reverse (20423041), we get a palindrome (160747061).

The spelling of 140324020 in words is "one hundred forty million, three hundred twenty-four thousand, twenty".