135451350233161 has 2 divisors, whose sum is σ = 135451350233162. Its totient is φ = 135451350233160.

The previous prime is 135451350233159. The next prime is 135451350233203. The reversal of 135451350233161 is 161332053154531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 86403178399561 + 49048171833600 = 9295331^2 + 7003440^2 .

It is a cyclic number.

It is not a de Polignac number, because 135451350233161 - 2¹ = 135451350233159 is a prime.

Together with 135451350233159, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (135451350213161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67725675116580 + 67725675116581.

It is an arithmetic number, because the mean of its divisors is an integer number (67725675116581).

Almost surely, 2^{135451350233161} is an apocalyptic number.

It is an amenable number.

135451350233161 is a deficient number, since it is larger than the sum of its proper divisors (1).

135451350233161 is an equidigital number, since it uses as much as digits as its factorization.

135451350233161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 486000, while the sum is 43.

The spelling of 135451350233161 in words is "one hundred thirty-five trillion, four hundred fifty-one billion, three hundred fifty million, two hundred thirty-three thousand, one hundred sixty-one".