140400433 has 16 divisors (see below), whose sum is σ = 151272576. Its totient is φ = 129841920.

The previous prime is 140400431. The next prime is 140400439. The reversal of 140400433 is 334004041.

140400433 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 140400433 - 2¹ = 140400431 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 140400433.

It is not an unprimeable number, because it can be changed into a prime (140400431) 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, 316710 + ... + 317152.

It is an arithmetic number, because the mean of its divisors is an integer number (9454536).

Almost surely, 2^140400433 is an apocalyptic number.

It is an amenable number.

140400433 is a deficient number, since it is larger than the sum of its proper divisors (10872143).

140400433 is a wasteful number, since it uses less digits than its factorization.

140400433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 744.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 140400433 is about 11849.0688663709. The cubic root of 140400433 is about 519.7439975082.

Adding to 140400433 its reverse (334004041), we get a palindrome (474404474).

The spelling of 140400433 in words is "one hundred forty million, four hundred thousand, four hundred thirty-three".