140435242 has 8 divisors (see below), whose sum is σ = 212824836. Its totient is φ = 69493632.

The previous prime is 140435221. The next prime is 140435257. The reversal of 140435242 is 242534041.

It is a happy number.

140435242 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 135978921 + 4456321 = 11661^2 + 2111^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 361753 + ... + 362140.

Almost surely, 2^140435242 is an apocalyptic number.

140435242 is a deficient number, since it is larger than the sum of its proper divisors (72389594).

140435242 is an equidigital number, since it uses as much as digits as its factorization.

140435242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 723992.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 140435242 is about 11850.5376249350. The cubic root of 140435242 is about 519.7869467439.

Adding to 140435242 its reverse (242534041), we get a palindrome (382969283).

The spelling of 140435242 in words is "one hundred forty million, four hundred thirty-five thousand, two hundred forty-two".