140433442 has 16 divisors (see below), whose sum is σ = 216817920. Its totient is φ = 68180112.

The previous prime is 140433439. The next prime is 140433443. The reversal of 140433442 is 244334041.

It is not an unprimeable number, because it can be changed into a prime (140433443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10159 + ... + 19597.

It is an arithmetic number, because the mean of its divisors is an integer number (13551120).

Almost surely, 2^140433442 is an apocalyptic number.

140433442 is a deficient number, since it is larger than the sum of its proper divisors (76384478).

140433442 is a wasteful number, since it uses less digits than its factorization.

140433442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9657.

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 140433442 is about 11850.4616787702. The cubic root of 140433442 is about 519.7847259801.

Adding to 140433442 its reverse (244334041), we get a palindrome (384767483).

The spelling of 140433442 in words is "one hundred forty million, four hundred thirty-three thousand, four hundred forty-two".