140042713 has 2 divisors, whose sum is σ = 140042714. Its totient is φ = 140042712.

The previous prime is 140042687. The next prime is 140042741. The reversal of 140042713 is 317240041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 108097609 + 31945104 = 10397^2 + 5652^2 .

It is a cyclic number.

It is not a de Polignac number, because 140042713 - 2⁵ = 140042681 is a prime.

It is a super-2 number, since 2×140042713² = 39223922928800738, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (140042783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70021356 + 70021357.

It is an arithmetic number, because the mean of its divisors is an integer number (70021357).

Almost surely, 2^140042713 is an apocalyptic number.

It is an amenable number.

140042713 is a deficient number, since it is larger than the sum of its proper divisors (1).

140042713 is an equidigital number, since it uses as much as digits as its factorization.

140042713 is an odious number, because the sum of its binary digits is odd.

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

The square root of 140042713 is about 11833.9643822347. The cubic root of 140042713 is about 519.3022112444.

Adding to 140042713 its reverse (317240041), we get a palindrome (457282754).

The spelling of 140042713 in words is "one hundred forty million, forty-two thousand, seven hundred thirteen".