320854910136 has 64 divisors (see below), whose sum is σ = 829064261280. Its totient is φ = 103398197760.

The previous prime is 320854910087. The next prime is 320854910143. The reversal of 320854910136 is 631019458023.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1011295 + ... + 1290126.

Almost surely, 2^320854910136 is an apocalyptic number.

It is an amenable number.

320854910136 is an abundant number, since it is smaller than the sum of its proper divisors (508209351144).

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

320854910136 is a wasteful number, since it uses less digits than its factorization.

320854910136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2301624 (or 2301620 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 42.

The spelling of 320854910136 in words is "three hundred twenty billion, eight hundred fifty-four million, nine hundred ten thousand, one hundred thirty-six".