27531136 has 16 divisors (see below), whose sum is σ = 54847440. Its totient is φ = 13765504.

The previous prime is 27531113. The next prime is 27531139. The reversal of 27531136 is 63113572.

It is a tau number, because it is divible by the number of its divisors (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27531139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107416 + ... + 107671.

It is an arithmetic number, because the mean of its divisors is an integer number (3427965).

Almost surely, 2^27531136 is an apocalyptic number.

It is an amenable number.

27531136 is a deficient number, since it is larger than the sum of its proper divisors (27316304).

27531136 is an equidigital number, since it uses as much as digits as its factorization.

27531136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215101 (or 215089 counting only the distinct ones).

The product of its digits is 3780, while the sum is 28.

The square root of 27531136 is about 5247.0121021397. The cubic root of 27531136 is about 301.9544103221.

It can be divided in two parts, 27531 and 136, that multiplied together give a triangular number (3744216 = T₂₇₃₆).

The spelling of 27531136 in words is "twenty-seven million, five hundred thirty-one thousand, one hundred thirty-six".