140140110452 has 12 divisors (see below), whose sum is σ = 245263351620. Its totient is φ = 70064867136.

The previous prime is 140140110403. The next prime is 140140110469. The reversal of 140140110452 is 254011041041.

It can be written as a sum of positive squares in 2 ways, for example, as 125410889956 + 14729220496 = 354134^2 + 121364^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1235927 + ... + 1344542.

It is an arithmetic number, because the mean of its divisors is an integer number (20438612635).

Almost surely, 2^140140110452 is an apocalyptic number.

It is an amenable number.

140140110452 is a deficient number, since it is larger than the sum of its proper divisors (105123241168).

140140110452 is a wasteful number, since it uses less digits than its factorization.

140140110452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2594050 (or 2594048 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 23.

Adding to 140140110452 its reverse (254011041041), we get a palindrome (394151151493).

The spelling of 140140110452 in words is "one hundred forty billion, one hundred forty million, one hundred ten thousand, four hundred fifty-two".