135616141 has 2 divisors, whose sum is σ = 135616142. Its totient is φ = 135616140.

The previous prime is 135616139. The next prime is 135616171. The reversal of 135616141 is 141616531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 94284100 + 41332041 = 9710^2 + 6429^2 .

It is a cyclic number.

It is not a de Polignac number, because 135616141 - 2¹ = 135616139 is a prime.

Together with 135616139, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135616111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67808070 + 67808071.

It is an arithmetic number, because the mean of its divisors is an integer number (67808071).

Almost surely, 2^135616141 is an apocalyptic number.

It is an amenable number.

135616141 is a deficient number, since it is larger than the sum of its proper divisors (1).

135616141 is an equidigital number, since it uses as much as digits as its factorization.

135616141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2160, while the sum is 28.

The square root of 135616141 is about 11645.4343414061. The cubic root of 135616141 is about 513.7720339904.

The spelling of 135616141 in words is "one hundred thirty-five million, six hundred sixteen thousand, one hundred forty-one".