140420713 has 2 divisors, whose sum is σ = 140420714. Its totient is φ = 140420712.

The previous prime is 140420627. The next prime is 140420737. The reversal of 140420713 is 317024041.

140420713 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 can be written as a sum of positive squares in only one way, i.e., 129345129 + 11075584 = 11373^2 + 3328^2 .

It is a cyclic number.

It is not a de Polignac number, because 140420713 - 2¹⁷ = 140289641 is a prime.

It is not a weakly prime, because it can be changed into another prime (140420783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70210356 + 70210357.

It is an arithmetic number, because the mean of its divisors is an integer number (70210357).

Almost surely, 2^140420713 is an apocalyptic number.

It is an amenable number.

140420713 is a deficient number, since it is larger than the sum of its proper divisors (1).

140420713 is an equidigital number, since it uses as much as digits as its factorization.

140420713 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 140420713 is about 11849.9245989162. The cubic root of 140420713 is about 519.7690209372.

Adding to 140420713 its reverse (317024041), we get a palindrome (457444754).

The spelling of 140420713 in words is "one hundred forty million, four hundred twenty thousand, seven hundred thirteen".