140310344 has 8 divisors (see below), whose sum is σ = 263081910. Its totient is φ = 70155168.

The previous prime is 140310343. The next prime is 140310389. The reversal of 140310344 is 443013041.

It is a happy number.

140310344 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 122988100 + 17322244 = 11090^2 + 4162^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (140310343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8769389 + ... + 8769404.

Almost surely, 2^140310344 is an apocalyptic number.

It is an amenable number.

140310344 is a deficient number, since it is larger than the sum of its proper divisors (122771566).

140310344 is a wasteful number, since it uses less digits than its factorization.

140310344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17538799 (or 17538795 counting only the distinct ones).

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

The square root of 140310344 is about 11845.2667340166. The cubic root of 140310344 is about 519.6328078335.

Adding to 140310344 its reverse (443013041), we get a palindrome (583323385).

The spelling of 140310344 in words is "one hundred forty million, three hundred ten thousand, three hundred forty-four".