140456701789 has 4 divisors (see below), whose sum is σ = 140782587840. Its totient is φ = 140130815740.

The previous prime is 140456701787. The next prime is 140456701811. The reversal of 140456701789 is 987107654041.

It is a happy number.

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 not a de Polignac number, because 140456701789 - 2¹ = 140456701787 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 (140456701787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 162942379 + ... + 162943240.

It is an arithmetic number, because the mean of its divisors is an integer number (35195646960).

Almost surely, 2^140456701789 is an apocalyptic number.

It is an amenable number.

140456701789 is a deficient number, since it is larger than the sum of its proper divisors (325886051).

140456701789 is an equidigital number, since it uses as much as digits as its factorization.

140456701789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325886050.

The product of its (nonzero) digits is 1693440, while the sum is 52.

The spelling of 140456701789 in words is "one hundred forty billion, four hundred fifty-six million, seven hundred one thousand, seven hundred eighty-nine".