140685820801 has 8 divisors (see below), whose sum is σ = 141744366504. Its totient is φ = 139630095360.

The previous prime is 140685820747. The next prime is 140685820831. The reversal of 140685820801 is 108028586041.

It can be written as a sum of positive squares in 4 ways, for example, as 99904037776 + 40781783025 = 316076^2 + 201945^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 140685820801 - 2⁷ = 140685820673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140685820831) by changing a digit.

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, 604870 + ... + 804511.

It is an arithmetic number, because the mean of its divisors is an integer number (17718045813).

Almost surely, 2^140685820801 is an apocalyptic number.

It is an amenable number.

140685820801 is a deficient number, since it is larger than the sum of its proper divisors (1058545703).

140685820801 is a wasteful number, since it uses less digits than its factorization.

140685820801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1410131.

The product of its (nonzero) digits is 122880, while the sum is 43.

The spelling of 140685820801 in words is "one hundred forty billion, six hundred eighty-five million, eight hundred twenty thousand, eight hundred one".