140230433 has 16 divisors (see below), whose sum is σ = 172575360. Its totient is φ = 111204096.

The previous prime is 140230427. The next prime is 140230459. The reversal of 140230433 is 334032041.

It is a cyclic number.

It is not a de Polignac number, because 140230433 - 2⁴ = 140230417 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (140220433) 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, 2966 + ... + 17007.

It is an arithmetic number, because the mean of its divisors is an integer number (10785960).

Almost surely, 2^140230433 is an apocalyptic number.

It is an amenable number.

140230433 is a deficient number, since it is larger than the sum of its proper divisors (32344927).

140230433 is a wasteful number, since it uses less digits than its factorization.

140230433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20056.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 140230433 is about 11841.8931341234. The cubic root of 140230433 is about 519.5341402140.

Adding to 140230433 its reverse (334032041), we get a palindrome (474262474).

The spelling of 140230433 in words is "one hundred forty million, two hundred thirty thousand, four hundred thirty-three".