140976240709 has 4 divisors (see below), whose sum is σ = 140978243340. Its totient is φ = 140974238080.

The previous prime is 140976240707. The next prime is 140976240719. The reversal of 140976240709 is 907042679041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 907042679041 = 488161 ⋅1858081.

It can be written as a sum of positive squares in 2 ways, for example, as 76343347809 + 64632892900 = 276303^2 + 254230^2 .

It is a cyclic number.

It is not a de Polignac number, because 140976240709 - 2¹ = 140976240707 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140976240703) 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 3 ways as a sum of consecutive naturals, for example, 891724 + ... + 1037845.

It is an arithmetic number, because the mean of its divisors is an integer number (35244560835).

Almost surely, 2^140976240709 is an apocalyptic number.

It is an amenable number.

140976240709 is a deficient number, since it is larger than the sum of its proper divisors (2002631).

140976240709 is an equidigital number, since it uses as much as digits as its factorization.

140976240709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2002630.

The product of its (nonzero) digits is 762048, while the sum is 49.

The spelling of 140976240709 in words is "one hundred forty billion, nine hundred seventy-six million, two hundred forty thousand, seven hundred nine".