140231344309 has 8 divisors (see below), whose sum is σ = 160327090688. Its totient is φ = 120151272240.

The previous prime is 140231344291. The next prime is 140231344339. The reversal of 140231344309 is 903443132041.

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

It is a cyclic number.

It is not a de Polignac number, because 140231344309 - 2⁹ = 140231343797 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 (140231344339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3899397 + ... + 3935194.

It is an arithmetic number, because the mean of its divisors is an integer number (20040886336).

Almost surely, 2^140231344309 is an apocalyptic number.

It is an amenable number.

140231344309 is a deficient number, since it is larger than the sum of its proper divisors (20095746379).

140231344309 is an equidigital number, since it uses as much as digits as its factorization.

140231344309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7837155.

The product of its (nonzero) digits is 31104, while the sum is 34.

The spelling of 140231344309 in words is "one hundred forty billion, two hundred thirty-one million, three hundred forty-four thousand, three hundred nine".