140440841267 has 4 divisors (see below), whose sum is σ = 140468132376. Its totient is φ = 140413550160.

The previous prime is 140440841257. The next prime is 140440841273. The reversal of 140440841267 is 762148044041.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 762148044041 = 89 ⋅8563461169.

It is a cyclic number.

It is not a de Polignac number, because 140440841267 - 2⁸ = 140440841011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140440841257) 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, 13637834 + ... + 13648127.

It is an arithmetic number, because the mean of its divisors is an integer number (35117033094).

Almost surely, 2^140440841267 is an apocalyptic number.

140440841267 is a deficient number, since it is larger than the sum of its proper divisors (27291109).

140440841267 is an equidigital number, since it uses as much as digits as its factorization.

140440841267 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27291108.

The product of its (nonzero) digits is 172032, while the sum is 41.

The spelling of 140440841267 in words is "one hundred forty billion, four hundred forty million, eight hundred forty-one thousand, two hundred sixty-seven".