140420223134 has 12 divisors (see below), whose sum is σ = 215207188944. Its totient is φ = 68716277244.

The previous prime is 140420223133. The next prime is 140420223137. The reversal of 140420223134 is 431322024041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140420223133) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15887414 + ... + 15896249.

It is an arithmetic number, because the mean of its divisors is an integer number (17933932412).

Almost surely, 2^140420223134 is an apocalyptic number.

140420223134 is a deficient number, since it is larger than the sum of its proper divisors (74786965810).

140420223134 is an equidigital number, since it uses as much as digits as its factorization.

140420223134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31783759 (or 31783712 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 140420223134 its reverse (431322024041), we get a palindrome (571742247175).

The spelling of 140420223134 in words is "one hundred forty billion, four hundred twenty million, two hundred twenty-three thousand, one hundred thirty-four".