27135901 has 4 divisors (see below), whose sum is σ = 29223292. Its totient is φ = 25048512.

The previous prime is 27135887. The next prime is 27135917. The reversal of 27135901 is 10953172.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 15920100 + 11215801 = 3990^2 + 3349^2 .

It is a cyclic number.

It is not a de Polignac number, because 27135901 - 2⁵ = 27135869 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 27135901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27135001) 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, 1043676 + ... + 1043701.

It is an arithmetic number, because the mean of its divisors is an integer number (7305823).

Almost surely, 2^27135901 is an apocalyptic number.

It is an amenable number.

27135901 is a deficient number, since it is larger than the sum of its proper divisors (2087391).

27135901 is a wasteful number, since it uses less digits than its factorization.

27135901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2087390.

The product of its (nonzero) digits is 1890, while the sum is 28.

The square root of 27135901 is about 5209.2130883657. The cubic root of 27135901 is about 300.5024948967.

The spelling of 27135901 in words is "twenty-seven million, one hundred thirty-five thousand, nine hundred one".