140663155265 has 16 divisors (see below), whose sum is σ = 175747407696. Its totient is φ = 107986099200.

The previous prime is 140663155253. The next prime is 140663155273. The reversal of 140663155265 is 562551366041.

It can be written as a sum of positive squares in 8 ways, for example, as 46763197504 + 93899957761 = 216248^2 + 306431^2 .

It is not a de Polignac number, because 140663155265 - 2⁴ = 140663155249 is a prime.

It is a super-2 number, since 2×140663155265² (a number of 23 digits) contains 22 as substring.

It is a Duffinian 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 15 ways as a sum of consecutive naturals, for example, 5611772 + ... + 5636781.

It is an arithmetic number, because the mean of its divisors is an integer number (10984212981).

Almost surely, 2^140663155265 is an apocalyptic number.

It is an amenable number.

140663155265 is a deficient number, since it is larger than the sum of its proper divisors (35084252431).

140663155265 is a wasteful number, since it uses less digits than its factorization.

140663155265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11248660.

The product of its (nonzero) digits is 648000, while the sum is 44.

The spelling of 140663155265 in words is "one hundred forty billion, six hundred sixty-three million, one hundred fifty-five thousand, two hundred sixty-five".