135585077527 has 2 divisors, whose sum is σ = 135585077528. Its totient is φ = 135585077526.

The previous prime is 135585077483. The next prime is 135585077531. The reversal of 135585077527 is 725770585531.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-135585077527 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135585077567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67792538763 + 67792538764.

It is an arithmetic number, because the mean of its divisors is an integer number (67792538764).

Almost surely, 2^135585077527 is an apocalyptic number.

135585077527 is a deficient number, since it is larger than the sum of its proper divisors (1).

135585077527 is an equidigital number, since it uses as much as digits as its factorization.

135585077527 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10290000, while the sum is 55.

The spelling of 135585077527 in words is "one hundred thirty-five billion, five hundred eighty-five million, seventy-seven thousand, five hundred twenty-seven".