27135035237 has 2 divisors, whose sum is σ = 27135035238. Its totient is φ = 27135035236.

The previous prime is 27135035219. The next prime is 27135035251. The reversal of 27135035237 is 73253053172.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23120418916 + 4014616321 = 152054^2 + 63361^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27135035237 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 27135035237.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27135035437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13567517618 + 13567517619.

It is an arithmetic number, because the mean of its divisors is an integer number (13567517619).

Almost surely, 2^27135035237 is an apocalyptic number.

It is an amenable number.

27135035237 is a deficient number, since it is larger than the sum of its proper divisors (1).

27135035237 is an equidigital number, since it uses as much as digits as its factorization.

27135035237 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 132300, while the sum is 38.

The spelling of 27135035237 in words is "twenty-seven billion, one hundred thirty-five million, thirty-five thousand, two hundred thirty-seven".