140242032 has 90 divisors (see below), whose sum is σ = 449757672. Its totient is φ = 39961728.

The previous prime is 140242013. The next prime is 140242033. The reversal of 140242032 is 230242041.

140242032 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 140241996 and 140242014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140242033) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 375798 + ... + 376170.

Almost surely, 2^140242032 is an apocalyptic number.

140242032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140242032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (224878836).

140242032 is an abundant number, since it is smaller than the sum of its proper divisors (309515640).

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

140242032 is an equidigital number, since it uses as much as digits as its factorization.

140242032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 767 (or 385 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 140242032 is about 11842.3828683251. The cubic root of 140242032 is about 519.5484640433.

Adding to 140242032 its reverse (230242041), we get a palindrome (370484073).

Subtracting 140242032 from its reverse (230242041), we obtain a palindrome (90000009).

It can be divided in two parts, 1402 and 42032, that added together give a palindrome (43434).

The spelling of 140242032 in words is "one hundred forty million, two hundred forty-two thousand, thirty-two".