102140679727 has 2 divisors, whose sum is σ = 102140679728. Its totient is φ = 102140679726.

The previous prime is 102140679677. The next prime is 102140679749. The reversal of 102140679727 is 727976041201.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102140679727 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102140619727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51070339863 + 51070339864.

It is an arithmetic number, because the mean of its divisors is an integer number (51070339864).

Almost surely, 2^102140679727 is an apocalyptic number.

102140679727 is a deficient number, since it is larger than the sum of its proper divisors (1).

102140679727 is an equidigital number, since it uses as much as digits as its factorization.

102140679727 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 296352, while the sum is 46.

The spelling of 102140679727 in words is "one hundred two billion, one hundred forty million, six hundred seventy-nine thousand, seven hundred twenty-seven".