140818079 has 2 divisors, whose sum is σ = 140818080. Its totient is φ = 140818078.

The previous prime is 140818061. The next prime is 140818087. The reversal of 140818079 is 970818041.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 140818079 - 2¹² = 140813983 is a prime.

It is a Chen prime.

It is equal to p_7955714 and since 140818079 and 7955714 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140818009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70409039 + 70409040.

It is an arithmetic number, because the mean of its divisors is an integer number (70409040).

Almost surely, 2^140818079 is an apocalyptic number.

140818079 is a deficient number, since it is larger than the sum of its proper divisors (1).

140818079 is an equidigital number, since it uses as much as digits as its factorization.

140818079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 38.

The square root of 140818079 is about 11866.6793586074. The cubic root of 140818079 is about 520.2588442580.

Subtracting from 140818079 its sum of digits (38), we obtain a palindrome (140818041).

The spelling of 140818079 in words is "one hundred forty million, eight hundred eighteen thousand, seventy-nine".