918307133136 has 60 divisors (see below), whose sum is σ = 2571142571140. Its totient is φ = 305964449280.

The previous prime is 918307133111. The next prime is 918307133141. The reversal of 918307133136 is 631331703819.

918307133136 is a `hidden beast` number, since 9 + 1 + 8 + 307 + 1 + 331 + 3 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 240154883136 + 678152250000 = 490056^2 + 823500^2 .

It is a junction number, because it is equal to n+sod(n) for n = 918307133091 and 918307133100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1115821 + ... + 1755468.

Almost surely, 2^918307133136 is an apocalyptic number.

It is an amenable number.

918307133136 is an abundant number, since it is smaller than the sum of its proper divisors (1652835438004).

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

918307133136 is a wasteful number, since it uses less digits than its factorization.

918307133136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2873524 (or 2873515 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 45.

The spelling of 918307133136 in words is "nine hundred eighteen billion, three hundred seven million, one hundred thirty-three thousand, one hundred thirty-six".