140310308 has 12 divisors (see below), whose sum is σ = 247927680. Its totient is φ = 69473832.

The previous prime is 140310293. The next prime is 140310329. The reversal of 140310308 is 803013041.

It is a happy number.

140310308 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 140310308.

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, 169868 + ... + 170691.

It is an arithmetic number, because the mean of its divisors is an integer number (20660640).

Almost surely, 2^140310308 is an apocalyptic number.

It is an amenable number.

140310308 is a deficient number, since it is larger than the sum of its proper divisors (107617372).

140310308 is a wasteful number, since it uses less digits than its factorization.

140310308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340666 (or 340664 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 140310308 is about 11845.2652144222. The cubic root of 140310308 is about 519.6327633921.

Adding to 140310308 its reverse (803013041), we get a palindrome (943323349).

It can be divided in two parts, 1403 and 10308, that added together give a palindrome (11711).

The spelling of 140310308 in words is "one hundred forty million, three hundred ten thousand, three hundred eight".