140442555521231 has 4 divisors (see below), whose sum is σ = 142538713066392. Its totient is φ = 138346397976072.

The previous prime is 140442555521201. The next prime is 140442555521237. The reversal of 140442555521231 is 132125555244041.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 140442555521231 - 2¹⁴ = 140442555504847 is a prime.

It is a super-2 number, since 2×140442555521231² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140442555521237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1048078772480 + ... + 1048078772613.

It is an arithmetic number, because the mean of its divisors is an integer number (35634678266598).

Almost surely, 2^{140442555521231} is an apocalyptic number.

140442555521231 is a deficient number, since it is larger than the sum of its proper divisors (2096157545161).

140442555521231 is an equidigital number, since it uses as much as digits as its factorization.

140442555521231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2096157545160.

The product of its (nonzero) digits is 960000, while the sum is 44.

The spelling of 140442555521231 in words is "one hundred forty trillion, four hundred forty-two billion, five hundred fifty-five million, five hundred twenty-one thousand, two hundred thirty-one".