140313305 has 16 divisors (see below), whose sum is σ = 184330944. Its totient is φ = 101686080.

The previous prime is 140313301. The next prime is 140313307. The reversal of 140313305 is 503313041.

It is a happy number.

It is not a de Polignac number, because 140313305 - 2² = 140313301 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140313301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11762 + ... + 20468.

It is an arithmetic number, because the mean of its divisors is an integer number (11520684).

Almost surely, 2^140313305 is an apocalyptic number.

It is an amenable number.

140313305 is a deficient number, since it is larger than the sum of its proper divisors (44017639).

140313305 is a wasteful number, since it uses less digits than its factorization.

140313305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9016.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 140313305 is about 11845.3917199897. The cubic root of 140313305 is about 519.6364631162.

Adding to 140313305 its reverse (503313041), we get a palindrome (643626346).

The spelling of 140313305 in words is "one hundred forty million, three hundred thirteen thousand, three hundred five".