27429236136 has 48 divisors (see below), whose sum is σ = 74327416800. Its totient is φ = 9138167712.

The previous prime is 27429236129. The next prime is 27429236137. The reversal of 27429236136 is 63163292472.

27429236136 is a `hidden beast` number, since 2 + 7 + 4 + 2 + 9 + 23 + 613 + 6 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 27429236091 and 27429236100.

It is not an unprimeable number, because it can be changed into a prime (27429236137) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33915 + ... + 236661.

It is an arithmetic number, because the mean of its divisors is an integer number (1548487850).

Almost surely, 2^27429236136 is an apocalyptic number.

It is an amenable number.

27429236136 is an abundant number, since it is smaller than the sum of its proper divisors (46898180664).

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

27429236136 is a wasteful number, since it uses less digits than its factorization.

27429236136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204638 (or 204631 counting only the distinct ones).

The product of its digits is 653184, while the sum is 45.

The spelling of 27429236136 in words is "twenty-seven billion, four hundred twenty-nine million, two hundred thirty-six thousand, one hundred thirty-six".