140655556210667 has 2 divisors, whose sum is σ = 140655556210668. Its totient is φ = 140655556210666.

The previous prime is 140655556210627. The next prime is 140655556210699. The reversal of 140655556210667 is 766012655556041.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 140655556210667 - 2²⁰ = 140655555162091 is a prime.

It is not a weakly prime, because it can be changed into another prime (140655556210627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70327778105333 + 70327778105334.

It is an arithmetic number, because the mean of its divisors is an integer number (70327778105334).

Almost surely, 2^{140655556210667} is an apocalyptic number.

140655556210667 is a deficient number, since it is larger than the sum of its proper divisors (1).

140655556210667 is an equidigital number, since it uses as much as digits as its factorization.

140655556210667 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45360000, while the sum is 59.

The spelling of 140655556210667 in words is "one hundred forty trillion, six hundred fifty-five billion, five hundred fifty-six million, two hundred ten thousand, six hundred sixty-seven".