140878457465266 has 8 divisors (see below), whose sum is σ = 211337157131244. Its totient is φ = 70432738421520.

The previous prime is 140878457465261. The next prime is 140878457465293. The reversal of 140878457465266 is 662564754878041.

It can be written as a sum of positive squares in 2 ways, for example, as 140793531266025 + 84926199241 = 11865645^2 + 291421^2 .

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

It is not an unprimeable number, because it can be changed into a prime (140878457465261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3245128425 + ... + 3245171836.

Almost surely, 2^{140878457465266} is an apocalyptic number.

140878457465266 is a deficient number, since it is larger than the sum of its proper divisors (70458699665978).

140878457465266 is a wasteful number, since it uses less digits than its factorization.

140878457465266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6490311116.

The product of its (nonzero) digits is 2167603200, while the sum is 73.

The spelling of 140878457465266 in words is "one hundred forty trillion, eight hundred seventy-eight billion, four hundred fifty-seven million, four hundred sixty-five thousand, two hundred sixty-six".