140144234 has 16 divisors (see below), whose sum is σ = 219564000. Its totient is φ = 67020624.

The previous prime is 140144233. The next prime is 140144237. The reversal of 140144234 is 432441041.

It is a happy number.

140144234 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (140144233) 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, 11684 + ... + 20415.

It is an arithmetic number, because the mean of its divisors is an integer number (13722750).

Almost surely, 2^140144234 is an apocalyptic number.

140144234 is a deficient number, since it is larger than the sum of its proper divisors (79419766).

140144234 is a wasteful number, since it uses less digits than its factorization.

140144234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32197.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 140144234 is about 11838.2529961139. The cubic root of 140144234 is about 519.4276666486.

Adding to 140144234 its reverse (432441041), we get a palindrome (572585275).

The spelling of 140144234 in words is "one hundred forty million, one hundred forty-four thousand, two hundred thirty-four".