27154137 has 4 divisors (see below), whose sum is σ = 36205520. Its totient is φ = 18102756.

The previous prime is 27154123. The next prime is 27154157. The reversal of 27154137 is 73145172.

27154137 is nontrivially palindromic in base 4.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 27154137 - 2⁷ = 27154009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27154157) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4525687 + ... + 4525692.

It is an arithmetic number, because the mean of its divisors is an integer number (9051380).

Almost surely, 2^27154137 is an apocalyptic number.

It is an amenable number.

27154137 is a deficient number, since it is larger than the sum of its proper divisors (9051383).

27154137 is an equidigital number, since it uses as much as digits as its factorization.

27154137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9051382.

The product of its digits is 5880, while the sum is 30.

The square root of 27154137 is about 5210.9631547344. The cubic root of 27154137 is about 300.5697948720.

The spelling of 27154137 in words is "twenty-seven million, one hundred fifty-four thousand, one hundred thirty-seven".