140531741861844 has 12 divisors (see below), whose sum is σ = 327907397677664. Its totient is φ = 46843913953944.

The previous prime is 140531741861839. The next prime is 140531741861869. The reversal of 140531741861844 is 448168147135041.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5855489244232 + ... + 5855489244255.

Almost surely, 2^{140531741861844} is an apocalyptic number.

It is an amenable number.

140531741861844 is an abundant number, since it is smaller than the sum of its proper divisors (187375655815820).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140531741861844 is a wasteful number, since it uses less digits than its factorization.

140531741861844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11710978488494 (or 11710978488492 counting only the distinct ones).

The product of its (nonzero) digits is 10321920, while the sum is 57.

Adding to 140531741861844 its reverse (448168147135041), we get a palindrome (588699888996885).

The spelling of 140531741861844 in words is "one hundred forty trillion, five hundred thirty-one billion, seven hundred forty-one million, eight hundred sixty-one thousand, eight hundred forty-four".