140028848275681 has 4 divisors (see below), whose sum is σ = 140030372623792. Its totient is φ = 140027323927572.

The previous prime is 140028848275637. The next prime is 140028848275709. The reversal of 140028848275681 is 186572848820041.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140028848275681 is a prime.

It is a super-2 number, since 2×140028848275681² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140028848275621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 762036255 + ... + 762219988.

It is an arithmetic number, because the mean of its divisors is an integer number (35007593155948).

Almost surely, 2^{140028848275681} is an apocalyptic number.

It is an amenable number.

140028848275681 is a deficient number, since it is larger than the sum of its proper divisors (1524348111).

140028848275681 is an equidigital number, since it uses as much as digits as its factorization.

140028848275681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1524348110.

The product of its (nonzero) digits is 55050240, while the sum is 64.

The spelling of 140028848275681 in words is "one hundred forty trillion, twenty-eight billion, eight hundred forty-eight million, two hundred seventy-five thousand, six hundred eighty-one".