140330144 has 12 divisors (see below), whose sum is σ = 276275034. Its totient is φ = 70165056.

The previous prime is 140330129. The next prime is 140330147. The reversal of 140330144 is 441033041.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 85747600 + 54582544 = 9260^2 + 7388^2 .

It is not an unprimeable number, because it can be changed into a prime (140330147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2192627 + ... + 2192690.

Almost surely, 2^140330144 is an apocalyptic number.

It is an amenable number.

140330144 is a deficient number, since it is larger than the sum of its proper divisors (135944890).

140330144 is an equidigital number, since it uses as much as digits as its factorization.

140330144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4385327 (or 4385319 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 140330144 is about 11846.1024814071. The cubic root of 140330144 is about 519.6572494757.

Adding to 140330144 its reverse (441033041), we get a palindrome (581363185).

The spelling of 140330144 in words is "one hundred forty million, three hundred thirty thousand, one hundred forty-four".