30727268136 has 32 divisors (see below), whose sum is σ = 85353523200. Its totient is φ = 10242422640.

The previous prime is 30727268081. The next prime is 30727268167. The reversal of 30727268136 is 63186272703.

30727268136 is a `hidden beast` number, since 307 + 272 + 68 + 13 + 6 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 30727268091 and 30727268100.

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, 71127720 + ... + 71128151.

It is an arithmetic number, because the mean of its divisors is an integer number (2667297600).

Almost surely, 2^30727268136 is an apocalyptic number.

30727268136 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

30727268136 is an abundant number, since it is smaller than the sum of its proper divisors (54626255064).

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

30727268136 is a wasteful number, since it uses less digits than its factorization.

30727268136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142255886 (or 142255876 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 45.

The spelling of 30727268136 in words is "thirty billion, seven hundred twenty-seven million, two hundred sixty-eight thousand, one hundred thirty-six".