140134011205 has 8 divisors (see below), whose sum is σ = 168197710104. Its totient is φ = 112082611200.

The previous prime is 140134011181. The next prime is 140134011217. The reversal of 140134011205 is 502110431041.

It can be written as a sum of positive squares in 4 ways, for example, as 1495446241 + 138638564964 = 38671^2 + 372342^2 .

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

It is not a de Polignac number, because 140134011205 - 2³⁷ = 2695057733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3049636 + ... + 3095245.

It is an arithmetic number, because the mean of its divisors is an integer number (21024713763).

Almost surely, 2^140134011205 is an apocalyptic number.

It is an amenable number.

140134011205 is a deficient number, since it is larger than the sum of its proper divisors (28063698899).

140134011205 is an equidigital number, since it uses as much as digits as its factorization.

140134011205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6149447.

The product of its (nonzero) digits is 480, while the sum is 22.

Adding to 140134011205 its reverse (502110431041), we get a palindrome (642244442246).

The spelling of 140134011205 in words is "one hundred forty billion, one hundred thirty-four million, eleven thousand, two hundred five".