140651084779 has 2 divisors, whose sum is σ = 140651084780. Its totient is φ = 140651084778.

The previous prime is 140651084767. The next prime is 140651084801. The reversal of 140651084779 is 977480156041.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (977480156041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 140651084779 - 2⁵ = 140651084747 is a prime.

It is not a weakly prime, because it can be changed into another prime (140651084729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70325542389 + 70325542390.

It is an arithmetic number, because the mean of its divisors is an integer number (70325542390).

Almost surely, 2^140651084779 is an apocalyptic number.

140651084779 is a deficient number, since it is larger than the sum of its proper divisors (1).

140651084779 is an equidigital number, since it uses as much as digits as its factorization.

140651084779 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1693440, while the sum is 52.

The spelling of 140651084779 in words is "one hundred forty billion, six hundred fifty-one million, eighty-four thousand, seven hundred seventy-nine".