140140520211 has 8 divisors (see below), whose sum is σ = 186857717760. Its totient is φ = 93425168072.

The previous prime is 140140520209. The next prime is 140140520213. The reversal of 140140520211 is 112025041041.

It is an interprime number because it is at equal distance from previous prime (140140520209) and next prime (140140520213).

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 140140520211 - 2¹ = 140140520209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140140520213) 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, 273195 + ... + 595748.

It is an arithmetic number, because the mean of its divisors is an integer number (23357214720).

Almost surely, 2^140140520211 is an apocalyptic number.

140140520211 is a deficient number, since it is larger than the sum of its proper divisors (46717197549).

140140520211 is an equidigital number, since it uses as much as digits as its factorization.

140140520211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 922705.

The product of its (nonzero) digits is 320, while the sum is 21.

Adding to 140140520211 its reverse (112025041041), we get a palindrome (252165561252).

The spelling of 140140520211 in words is "one hundred forty billion, one hundred forty million, five hundred twenty thousand, two hundred eleven".