140344316273581 has 48 divisors (see below), whose sum is σ = 174296502825984. Its totient is φ = 112282637031936.

The previous prime is 140344316273543. The next prime is 140344316273593. The reversal of 140344316273581 is 185372613443041.

It is not a de Polignac number, because 140344316273581 - 2¹⁵ = 140344316240813 is a prime.

It is a super-2 number, since 2×140344316273581² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140344316273531) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 47418271 + ... + 50290963.

It is an arithmetic number, because the mean of its divisors is an integer number (3631177142208).

Almost surely, 2^{140344316273581} is an apocalyptic number.

It is an amenable number.

140344316273581 is a deficient number, since it is larger than the sum of its proper divisors (33952186552403).

140344316273581 is a wasteful number, since it uses less digits than its factorization.

140344316273581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2873210 (or 2873203 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 52.

The spelling of 140344316273581 in words is "one hundred forty trillion, three hundred forty-four billion, three hundred sixteen million, two hundred seventy-three thousand, five hundred eighty-one".