135106641161 has 2 divisors, whose sum is σ = 135106641162. Its totient is φ = 135106641160.

The previous prime is 135106641127. The next prime is 135106641167. The reversal of 135106641161 is 161146601531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 113326489600 + 21780151561 = 336640^2 + 147581^2 .

It is a cyclic number.

It is not a de Polignac number, because 135106641161 - 2²⁶ = 135039532297 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (135106641167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67553320580 + 67553320581.

It is an arithmetic number, because the mean of its divisors is an integer number (67553320581).

Almost surely, 2^135106641161 is an apocalyptic number.

It is an amenable number.

135106641161 is a deficient number, since it is larger than the sum of its proper divisors (1).

135106641161 is an equidigital number, since it uses as much as digits as its factorization.

135106641161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 35.

The spelling of 135106641161 in words is "one hundred thirty-five billion, one hundred six million, six hundred forty-one thousand, one hundred sixty-one".