140673256727 has 4 divisors (see below), whose sum is σ = 140680407456. Its totient is φ = 140666106000.

The previous prime is 140673256693. The next prime is 140673256751. The reversal of 140673256727 is 727652376041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 727652376041 = 10853 ⋅67046197.

It is a cyclic number.

It is not a de Polignac number, because 140673256727 - 2⁶ = 140673256663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140673256127) 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, 3545774 + ... + 3585227.

It is an arithmetic number, because the mean of its divisors is an integer number (35170101864).

Almost surely, 2^140673256727 is an apocalyptic number.

140673256727 is a deficient number, since it is larger than the sum of its proper divisors (7150729).

140673256727 is an equidigital number, since it uses as much as digits as its factorization.

140673256727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7150728.

The product of its (nonzero) digits is 2963520, while the sum is 50.

The spelling of 140673256727 in words is "one hundred forty billion, six hundred seventy-three million, two hundred fifty-six thousand, seven hundred twenty-seven".