140206326166265 has 8 divisors (see below), whose sum is σ = 174049232482440. Its totient is φ = 108297300211072.

The previous prime is 140206326166229. The next prime is 140206326166339. The reversal of 140206326166265 is 562661623602041.

It can be written as a sum of positive squares in 4 ways, for example, as 27972896901481 + 112233429264784 = 5288941^2 + 10594028^2 .

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 140206326166265 - 2¹² = 140206326162169 is a prime.

It is a super-2 number, since 2×140206326166265² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 483470090084 + ... + 483470090373.

It is an arithmetic number, because the mean of its divisors is an integer number (21756154060305).

Almost surely, 2^{140206326166265} is an apocalyptic number.

It is an amenable number.

140206326166265 is a deficient number, since it is larger than the sum of its proper divisors (33842906316175).

140206326166265 is an equidigital number, since it uses as much as digits as its factorization.

140206326166265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 966940180491.

The product of its (nonzero) digits is 3732480, while the sum is 50.

The spelling of 140206326166265 in words is "one hundred forty trillion, two hundred six billion, three hundred twenty-six million, one hundred sixty-six thousand, two hundred sixty-five".