135272141 has 2 divisors, whose sum is σ = 135272142. Its totient is φ = 135272140.

The previous prime is 135272107. The next prime is 135272149. The reversal of 135272141 is 141272531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 122102500 + 13169641 = 11050^2 + 3629^2 .

It is an emirp because it is prime and its reverse (141272531) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 135272141 - 2¹⁸ = 135009997 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 135272141.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135272149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67636070 + 67636071.

It is an arithmetic number, because the mean of its divisors is an integer number (67636071).

Almost surely, 2^135272141 is an apocalyptic number.

It is an amenable number.

135272141 is a deficient number, since it is larger than the sum of its proper divisors (1).

135272141 is an equidigital number, since it uses as much as digits as its factorization.

135272141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1680, while the sum is 26.

The square root of 135272141 is about 11630.6552265984. The cubic root of 135272141 is about 513.3372597196.

The spelling of 135272141 in words is "one hundred thirty-five million, two hundred seventy-two thousand, one hundred forty-one".