140155430203631 has 2 divisors, whose sum is σ = 140155430203632. Its totient is φ = 140155430203630.

The previous prime is 140155430203619. The next prime is 140155430203637. The reversal of 140155430203631 is 136302034551041.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 140155430203631 - 2¹⁰ = 140155430202607 is a prime.

It is a super-3 number, since 3×140155430203631³ (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140155430203637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70077715101815 + 70077715101816.

It is an arithmetic number, because the mean of its divisors is an integer number (70077715101816).

Almost surely, 2^{140155430203631} is an apocalyptic number.

140155430203631 is a deficient number, since it is larger than the sum of its proper divisors (1).

140155430203631 is an equidigital number, since it uses as much as digits as its factorization.

140155430203631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 129600, while the sum is 38.

Adding to 140155430203631 its reverse (136302034551041), we get a palindrome (276457464754672).

The spelling of 140155430203631 in words is "one hundred forty trillion, one hundred fifty-five billion, four hundred thirty million, two hundred three thousand, six hundred thirty-one".