140142313 has 2 divisors, whose sum is σ = 140142314. Its totient is φ = 140142312.

The previous prime is 140142311. The next prime is 140142319. The reversal of 140142313 is 313241041.

140142313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 80048809 + 60093504 = 8947^2 + 7752^2 .

It is a cyclic number.

It is not a de Polignac number, because 140142313 - 2¹ = 140142311 is a prime.

Together with 140142311, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (140142311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70071156 + 70071157.

It is an arithmetic number, because the mean of its divisors is an integer number (70071157).

Almost surely, 2^140142313 is an apocalyptic number.

It is an amenable number.

140142313 is a deficient number, since it is larger than the sum of its proper divisors (1).

140142313 is an equidigital number, since it uses as much as digits as its factorization.

140142313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 140142313 is about 11838.1718605535. The cubic root of 140142313 is about 519.4252933196.

Adding to 140142313 its reverse (313241041), we get a palindrome (453383354).

The spelling of 140142313 in words is "one hundred forty million, one hundred forty-two thousand, three hundred thirteen".