140303420 has 24 divisors (see below), whose sum is σ = 294882000. Its totient is φ = 56074752.

The previous prime is 140303369. The next prime is 140303437. The reversal of 140303420 is 24303041.

140303420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31916 + ... + 36044.

It is an arithmetic number, because the mean of its divisors is an integer number (12286750).

Almost surely, 2^140303420 is an apocalyptic number.

140303420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140303420 is an abundant number, since it is smaller than the sum of its proper divisors (154578580).

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

140303420 is a wasteful number, since it uses less digits than its factorization.

140303420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5837 (or 5835 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 140303420 is about 11844.9744617707. The cubic root of 140303420 is about 519.6242601227.

Adding to 140303420 its reverse (24303041), we get a palindrome (164606461).

The spelling of 140303420 in words is "one hundred forty million, three hundred three thousand, four hundred twenty".