140444234 has 16 divisors (see below), whose sum is σ = 240988608. Its totient is φ = 60133632.

The previous prime is 140444221. The next prime is 140444243. The reversal of 140444234 is 432444041.

It is a happy number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 12917 + ... + 21159.

It is an arithmetic number, because the mean of its divisors is an integer number (15061788).

Almost surely, 2^140444234 is an apocalyptic number.

140444234 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

140444234 is a deficient number, since it is larger than the sum of its proper divisors (100544374).

140444234 is a wasteful number, since it uses less digits than its factorization.

140444234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9469.

The product of its (nonzero) digits is 6144, while the sum is 26.

The square root of 140444234 is about 11850.9170109321. The cubic root of 140444234 is about 519.7980404086.

Adding to 140444234 its reverse (432444041), we get a palindrome (572888275).

The spelling of 140444234 in words is "one hundred forty million, four hundred forty-four thousand, two hundred thirty-four".