320854910135 has 4 divisors (see below), whose sum is σ = 385025892168. Its totient is φ = 256683928104.

The previous prime is 320854910087. The next prime is 320854910143. The reversal of 320854910135 is 531019458023.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 320854910135 - 2¹² = 320854906039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 320854910092 and 320854910101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32085491009 + ... + 32085491018.

It is an arithmetic number, because the mean of its divisors is an integer number (96256473042).

Almost surely, 2^320854910135 is an apocalyptic number.

320854910135 is a deficient number, since it is larger than the sum of its proper divisors (64170982033).

320854910135 is an equidigital number, since it uses as much as digits as its factorization.

320854910135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64170982032.

The product of its (nonzero) digits is 129600, while the sum is 41.

The spelling of 320854910135 in words is "three hundred twenty billion, eight hundred fifty-four million, nine hundred ten thousand, one hundred thirty-five".