140035134631 has 16 divisors (see below), whose sum is σ = 161970926400. Its totient is φ = 118584246528.

The previous prime is 140035134611. The next prime is 140035134641. The reversal of 140035134631 is 136431530041.

140035134631 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140035134631 is a prime.

It is a super-2 number, since 2×140035134631² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 140035134593 and 140035134602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140035134601) 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 in 15 ways as a sum of consecutive naturals, for example, 674221 + ... + 857113.

It is an arithmetic number, because the mean of its divisors is an integer number (10123182900).

Almost surely, 2^140035134631 is an apocalyptic number.

140035134631 is a deficient number, since it is larger than the sum of its proper divisors (21935791769).

140035134631 is a wasteful number, since it uses less digits than its factorization.

140035134631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184218.

The product of its (nonzero) digits is 12960, while the sum is 31.

Adding to 140035134631 its reverse (136431530041), we get a palindrome (276466664672).

The spelling of 140035134631 in words is "one hundred forty billion, thirty-five million, one hundred thirty-four thousand, six hundred thirty-one".