140026613 has 2 divisors, whose sum is σ = 140026614. Its totient is φ = 140026612.

The previous prime is 140026609. The next prime is 140026651. The reversal of 140026613 is 316620041.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 140019889 + 6724 = 11833^2 + 82^2 .

It is an emirp because it is prime and its reverse (316620041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 140026613 - 2² = 140026609 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140026013) 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, 70013306 + 70013307.

It is an arithmetic number, because the mean of its divisors is an integer number (70013307).

Almost surely, 2^140026613 is an apocalyptic number.

It is an amenable number.

140026613 is a deficient number, since it is larger than the sum of its proper divisors (1).

140026613 is an equidigital number, since it uses as much as digits as its factorization.

140026613 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 140026613 is about 11833.2841172685. The cubic root of 140026613 is about 519.2823099685.

Adding to 140026613 its reverse (316620041), we get a palindrome (456646654).

The spelling of 140026613 in words is "one hundred forty million, twenty-six thousand, six hundred thirteen".