135771101 has 2 divisors, whose sum is σ = 135771102. Its totient is φ = 135771100.

The previous prime is 135771091. The next prime is 135771149. The reversal of 135771101 is 101177531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 102535876 + 33235225 = 10126^2 + 5765^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-135771101 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135771161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67885550 + 67885551.

It is an arithmetic number, because the mean of its divisors is an integer number (67885551).

Almost surely, 2^135771101 is an apocalyptic number.

It is an amenable number.

135771101 is a deficient number, since it is larger than the sum of its proper divisors (1).

135771101 is an equidigital number, since it uses as much as digits as its factorization.

135771101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 735, while the sum is 26.

The square root of 135771101 is about 11652.0856931281. The cubic root of 135771101 is about 513.9676444581.

The spelling of 135771101 in words is "one hundred thirty-five million, seven hundred seventy-one thousand, one hundred one".