140143307 has 2 divisors, whose sum is σ = 140143308. Its totient is φ = 140143306.

The previous prime is 140143277. The next prime is 140143319. The reversal of 140143307 is 703341041.

140143307 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 140143307 - 2⁶ = 140143243 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (140143327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70071653 + 70071654.

It is an arithmetic number, because the mean of its divisors is an integer number (70071654).

Almost surely, 2^140143307 is an apocalyptic number.

140143307 is a deficient number, since it is larger than the sum of its proper divisors (1).

140143307 is an equidigital number, since it uses as much as digits as its factorization.

140143307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 140143307 is about 11838.2138433127. The cubic root of 140143307 is about 519.4265213749.

Adding to 140143307 its reverse (703341041), we get a palindrome (843484348).

The spelling of 140143307 in words is "one hundred forty million, one hundred forty-three thousand, three hundred seven".