140144434 has 8 divisors (see below), whose sum is σ = 210266928. Its totient is φ = 70055460.

The previous prime is 140144429. The next prime is 140144449. The reversal of 140144434 is 434441041.

It is a happy number.

140144434 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 140144399 and 140144408.

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, 11649 + ... + 20395.

It is an arithmetic number, because the mean of its divisors is an integer number (26283366).

Almost surely, 2^140144434 is an apocalyptic number.

140144434 is a deficient number, since it is larger than the sum of its proper divisors (70122494).

140144434 is an equidigital number, since it uses as much as digits as its factorization.

140144434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16760.

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 140144434 is about 11838.2614433032. The cubic root of 140144434 is about 519.4279137404.

Adding to 140144434 its reverse (434441041), we get a palindrome (574585475).

The spelling of 140144434 in words is "one hundred forty million, one hundred forty-four thousand, four hundred thirty-four".