140678202658127 has 2 divisors, whose sum is σ = 140678202658128. Its totient is φ = 140678202658126.

The previous prime is 140678202658099. The next prime is 140678202658309. The reversal of 140678202658127 is 721856202876041.

It is a weak prime.

It is an emirp because it is prime and its reverse (721856202876041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 140678202658127 - 2¹⁰ = 140678202657103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140678202651127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70339101329063 + 70339101329064.

It is an arithmetic number, because the mean of its divisors is an integer number (70339101329064).

Almost surely, 2^{140678202658127} is an apocalyptic number.

140678202658127 is a deficient number, since it is larger than the sum of its proper divisors (1).

140678202658127 is an equidigital number, since it uses as much as digits as its factorization.

140678202658127 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18063360, while the sum is 59.

The spelling of 140678202658127 in words is "one hundred forty trillion, six hundred seventy-eight billion, two hundred two million, six hundred fifty-eight thousand, one hundred twenty-seven".