27135361386 has 24 divisors (see below), whose sum is σ = 67192323744. Its totient is φ = 7752960360.

The previous prime is 27135361369. The next prime is 27135361387. The reversal of 27135361386 is 68316353172.

27135361386 is a `hidden beast` number, since 27 + 1 + 3 + 5 + 3 + 613 + 8 + 6 = 666.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (27135361387) 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, 107679880 + ... + 107680131.

It is an arithmetic number, because the mean of its divisors is an integer number (2799680156).

Almost surely, 2^27135361386 is an apocalyptic number.

27135361386 is an abundant number, since it is smaller than the sum of its proper divisors (40056962358).

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

27135361386 is a wasteful number, since it uses less digits than its factorization.

27135361386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215360026 (or 215360023 counting only the distinct ones).

The product of its digits is 544320, while the sum is 45.

It can be divided in two parts, 27135 and 361386, that added together give a triangular number (388521 = T₈₈₁).

The spelling of 27135361386 in words is "twenty-seven billion, one hundred thirty-five million, three hundred sixty-one thousand, three hundred eighty-six".