140000432 has 80 divisors (see below), whose sum is σ = 326312448. Its totient is φ = 57335040.

The previous prime is 140000431. The next prime is 140000447. The reversal of 140000432 is 234000041.

140000432 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (140000431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97673 + ... + 99095.

Almost surely, 2^140000432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140000432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163156224).

140000432 is an abundant number, since it is smaller than the sum of its proper divisors (186312016).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140000432 is a wasteful number, since it uses less digits than its factorization.

140000432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1498 (or 1492 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 140000432 is about 11832.1778215171. The cubic root of 140000432 is about 519.2499442697.

Adding to 140000432 its reverse (234000041), we get a palindrome (374000473).

The spelling of 140000432 in words is "one hundred forty million, four hundred thirty-two", and thus it is an aban number.