321140234135 has 8 divisors (see below), whose sum is σ = 440420892576. Its totient is φ = 220210446240.

The previous prime is 321140234123. The next prime is 321140234143. The reversal of 321140234135 is 531432041123.

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

It is a de Polignac number, because none of the positive numbers 2^k-321140234135 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 321140234098 and 321140234107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4587717596 + ... + 4587717665.

It is an arithmetic number, because the mean of its divisors is an integer number (55052611572).

Almost surely, 2^321140234135 is an apocalyptic number.

321140234135 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

321140234135 is a deficient number, since it is larger than the sum of its proper divisors (119280658441).

321140234135 is an equidigital number, since it uses as much as digits as its factorization.

321140234135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9175435273.

The product of its (nonzero) digits is 8640, while the sum is 29.

Adding to 321140234135 its reverse (531432041123), we get a palindrome (852572275258).

The spelling of 321140234135 in words is "three hundred twenty-one billion, one hundred forty million, two hundred thirty-four thousand, one hundred thirty-five".