140210307 has 12 divisors (see below), whose sum is σ = 203181264. Its totient is φ = 93171120.

The previous prime is 140210293. The next prime is 140210311. The reversal of 140210307 is 703012041.

It is not a de Polignac number, because 140210307 - 2⁶ = 140210243 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 140210307.

It is not an unprimeable number, because it can be changed into a prime (140210377) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22248 + ... + 27845.

It is an arithmetic number, because the mean of its divisors is an integer number (16931772).

Almost surely, 2^140210307 is an apocalyptic number.

140210307 is a deficient number, since it is larger than the sum of its proper divisors (62970957).

140210307 is a wasteful number, since it uses less digits than its factorization.

140210307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50410 (or 50407 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 140210307 is about 11841.0433239643. The cubic root of 140210307 is about 519.5092843532.

Adding to 140210307 its reverse (703012041), we get a palindrome (843222348).

The spelling of 140210307 in words is "one hundred forty million, two hundred ten thousand, three hundred seven".