140556336266669 has 2 divisors, whose sum is σ = 140556336266670. Its totient is φ = 140556336266668.

The previous prime is 140556336266627. The next prime is 140556336266699. The reversal of 140556336266669 is 966662633655041.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 90901694240644 + 49654642026025 = 9534238^2 + 7046605^2 .

It is a cyclic number.

It is not a de Polignac number, because 140556336266669 - 2¹⁶ = 140556336201133 is a prime.

It is a super-2 number, since 2×140556336266669² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 140556336266599 and 140556336266608.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140556336266699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70278168133334 + 70278168133335.

It is an arithmetic number, because the mean of its divisors is an integer number (70278168133335).

Almost surely, 2^{140556336266669} is an apocalyptic number.

It is an amenable number.

140556336266669 is a deficient number, since it is larger than the sum of its proper divisors (1).

140556336266669 is an equidigital number, since it uses as much as digits as its factorization.

140556336266669 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 755827200, while the sum is 68.

It can be divided in two parts, 14055633 and 6266669, that added together give a palindrome (20322302).

The spelling of 140556336266669 in words is "one hundred forty trillion, five hundred fifty-six billion, three hundred thirty-six million, two hundred sixty-six thousand, six hundred sixty-nine".