140104343231 has 8 divisors (see below), whose sum is σ = 143091313344. Its totient is φ = 137117624320.

The previous prime is 140104343213. The next prime is 140104343243. The reversal of 140104343231 is 132343401041.

It is a happy number.

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 140104343231 - 2¹⁰ = 140104342207 is a prime.

It is a super-2 number, since 2×140104343231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 140104343231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140104343831) 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, 1447391 + ... + 1541151.

It is an arithmetic number, because the mean of its divisors is an integer number (17886414168).

Almost surely, 2^140104343231 is an apocalyptic number.

140104343231 is a deficient number, since it is larger than the sum of its proper divisors (2986970113).

140104343231 is an equidigital number, since it uses as much as digits as its factorization.

140104343231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125601.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 140104343231 its reverse (132343401041), we get a palindrome (272447744272).

The spelling of 140104343231 in words is "one hundred forty billion, one hundred four million, three hundred forty-three thousand, two hundred thirty-one".