140230538 has 24 divisors (see below), whose sum is σ = 243951456. Its totient is φ = 59222520.

The previous prime is 140230523. The next prime is 140230549. The reversal of 140230538 is 835032041.

140230538 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 69581 + ... + 71567.

It is an arithmetic number, because the mean of its divisors is an integer number (10164644).

Almost surely, 2^140230538 is an apocalyptic number.

140230538 is a deficient number, since it is larger than the sum of its proper divisors (103720918).

140230538 is an equidigital number, since it uses as much as digits as its factorization.

140230538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2138 (or 2067 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 140230538 is about 11841.8975675354. The cubic root of 140230538 is about 519.5342698840.

Adding to 140230538 its reverse (835032041), we get a palindrome (975262579).

The spelling of 140230538 in words is "one hundred forty million, two hundred thirty thousand, five hundred thirty-eight".