27152139 has 16 divisors (see below), whose sum is σ = 41779712. Its totient is φ = 15363648.

The previous prime is 27152123. The next prime is 27152141. The reversal of 27152139 is 93125172.

It is not a de Polignac number, because 27152139 - 2⁴ = 27152123 is a prime.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27152639) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4114 + ... + 8439.

It is an arithmetic number, because the mean of its divisors is an integer number (2611232).

Almost surely, 2^27152139 is an apocalyptic number.

27152139 is a deficient number, since it is larger than the sum of its proper divisors (14627573).

27152139 is a wasteful number, since it uses less digits than its factorization.

27152139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12666.

The product of its digits is 3780, while the sum is 30.

The square root of 27152139 is about 5210.7714400077. The cubic root of 27152139 is about 300.5624227211.

The spelling of 27152139 in words is "twenty-seven million, one hundred fifty-two thousand, one hundred thirty-nine".