140026013 has 2 divisors, whose sum is σ = 140026014. Its totient is φ = 140026012.

The previous prime is 140025997. The next prime is 140026021. The reversal of 140026013 is 310620041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 133564249 + 6461764 = 11557^2 + 2542^2 .

It is an emirp because it is prime and its reverse (310620041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 140026013 - 2⁴ = 140025997 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 140025982 and 140026000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140026213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70013006 + 70013007.

It is an arithmetic number, because the mean of its divisors is an integer number (70013007).

Almost surely, 2^140026013 is an apocalyptic number.

It is an amenable number.

140026013 is a deficient number, since it is larger than the sum of its proper divisors (1).

140026013 is an equidigital number, since it uses as much as digits as its factorization.

140026013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 140026013 is about 11833.2587650233. The cubic root of 140026013 is about 519.2815682766.

Adding to 140026013 its reverse (310620041), we get a palindrome (450646054).

The spelling of 140026013 in words is "one hundred forty million, twenty-six thousand, thirteen".