140230420 has 48 divisors (see below), whose sum is σ = 324487296. Its totient is φ = 50480000.

The previous prime is 140230417. The next prime is 140230427. The reversal of 140230420 is 24032041.

It is a junction number, because it is equal to n+sod(n) for n = 140230394 and 140230403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140230427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19065 + ... + 25375.

It is an arithmetic number, because the mean of its divisors is an integer number (6760152).

Almost surely, 2^140230420 is an apocalyptic number.

140230420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140230420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162243648).

140230420 is an abundant number, since it is smaller than the sum of its proper divisors (184256876).

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

140230420 is a wasteful number, since it uses less digits than its factorization.

140230420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6432 (or 6430 counting only the distinct ones).

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

The square root of 140230420 is about 11841.8925852247. The cubic root of 140230420 is about 519.5341241596.

Adding to 140230420 its reverse (24032041), we get a palindrome (164262461).

The spelling of 140230420 in words is "one hundred forty million, two hundred thirty thousand, four hundred twenty".