140720230 has 16 divisors (see below), whose sum is σ = 289481760. Its totient is φ = 48246912.

The previous prime is 140720227. The next prime is 140720231. The reversal of 140720230 is 32027041.

140720230 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 140720198 and 140720207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140720231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1005075 + ... + 1005214.

It is an arithmetic number, because the mean of its divisors is an integer number (18092610).

Almost surely, 2^140720230 is an apocalyptic number.

140720230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140720230 is an abundant number, since it is smaller than the sum of its proper divisors (148761530).

140720230 is a wasteful number, since it uses less digits than its factorization.

140720230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2010303.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 140720230 is about 11862.5557954431. Note that the first 3 decimals coincide. The cubic root of 140720230 is about 520.1383137986.

Adding to 140720230 its reverse (32027041), we get a palindrome (172747271).

The spelling of 140720230 in words is "one hundred forty million, seven hundred twenty thousand, two hundred thirty".