140244214131 has 30 divisors (see below), whose sum is σ = 243704805300. Its totient is φ = 80139548664.

The previous prime is 140244214129. The next prime is 140244214147. The reversal of 140244214131 is 131412442041.

140244214131 is a `hidden beast` number, since 1 + 4 + 0 + 244 + 2 + 1 + 413 + 1 = 666.

It is not a de Polignac number, because 140244214131 - 2¹ = 140244214129 is a prime.

It is a super-2 number, since 2×140244214131² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 140244214095 and 140244214104.

It is not an unprimeable number, because it can be changed into a prime (140244214111) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 17663481 + ... + 17671418.

It is an arithmetic number, because the mean of its divisors is an integer number (8123493510).

Almost surely, 2^140244214131 is an apocalyptic number.

140244214131 is a deficient number, since it is larger than the sum of its proper divisors (103460591169).

140244214131 is an equidigital number, since it uses as much as digits as its factorization.

140244214131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35334925 (or 35334909 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

Adding to 140244214131 its reverse (131412442041), we get a palindrome (271656656172).

The spelling of 140244214131 in words is "one hundred forty billion, two hundred forty-four million, two hundred fourteen thousand, one hundred thirty-one".