140331230 has 16 divisors (see below), whose sum is σ = 272026944. Its totient is φ = 51814560.

The previous prime is 140331223. The next prime is 140331239. The reversal of 140331230 is 32133041.

It is a happy number.

140331230 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×140331230² = 39385708226625800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 140331199 and 140331208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140331239) 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, 539606 + ... + 539865.

It is an arithmetic number, because the mean of its divisors is an integer number (17001684).

Almost surely, 2^140331230 is an apocalyptic number.

140331230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140331230 is a deficient number, since it is larger than the sum of its proper divisors (131695714).

140331230 is a wasteful number, since it uses less digits than its factorization.

140331230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1079491.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 140331230 is about 11846.1483191795. The cubic root of 140331230 is about 519.6585899963.

Adding to 140331230 its reverse (32133041), we get a palindrome (172464271).

The spelling of 140331230 in words is "one hundred forty million, three hundred thirty-one thousand, two hundred thirty".