320135535054 has 96 divisors (see below), whose sum is σ = 737069808384. Its totient is φ = 100074174720.

The previous prime is 320135535043. The next prime is 320135535089. The reversal of 320135535054 is 450535531023.

320135535054 is a `hidden beast` number, since 3 + 2 + 0 + 1 + 3 + 553 + 50 + 54 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 165786469 + ... + 165788399.

It is an arithmetic number, because the mean of its divisors is an integer number (7677810504).

Almost surely, 2^320135535054 is an apocalyptic number.

320135535054 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 320135535054, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (368534904192).

320135535054 is an abundant number, since it is smaller than the sum of its proper divisors (416934273330).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

320135535054 is a wasteful number, since it uses less digits than its factorization.

320135535054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3622 (or 3619 counting only the distinct ones).

The product of its (nonzero) digits is 135000, while the sum is 36.

The spelling of 320135535054 in words is "three hundred twenty billion, one hundred thirty-five million, five hundred thirty-five thousand, fifty-four".