140244212231 has 8 divisors (see below), whose sum is σ = 148703325840. Its totient is φ = 131808371328.

The previous prime is 140244212177. The next prime is 140244212233. The reversal of 140244212231 is 132212442041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140244212231 is a prime.

It is a super-2 number, since 2×140244212231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 140244212231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140244212233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5805761 + ... + 5829866.

It is an arithmetic number, because the mean of its divisors is an integer number (18587915730).

Almost surely, 2^140244212231 is an apocalyptic number.

140244212231 is a deficient number, since it is larger than the sum of its proper divisors (8459113609).

140244212231 is a wasteful number, since it uses less digits than its factorization.

140244212231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11636353.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 140244212231 its reverse (132212442041), we get a palindrome (272456654272).

The spelling of 140244212231 in words is "one hundred forty billion, two hundred forty-four million, two hundred twelve thousand, two hundred thirty-one".