135541429 has 2 divisors, whose sum is σ = 135541430. Its totient is φ = 135541428.

The previous prime is 135541423. The next prime is 135541453. The reversal of 135541429 is 924145531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 117137329 + 18404100 = 10823^2 + 4290^2 .

It is a cyclic number.

It is not a de Polignac number, because 135541429 - 2¹¹ = 135539381 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 135541394 and 135541403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135541423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67770714 + 67770715.

It is an arithmetic number, because the mean of its divisors is an integer number (67770715).

Almost surely, 2^135541429 is an apocalyptic number.

It is an amenable number.

135541429 is a deficient number, since it is larger than the sum of its proper divisors (1).

135541429 is an equidigital number, since it uses as much as digits as its factorization.

135541429 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21600, while the sum is 34.

The square root of 135541429 is about 11642.2261187455. The cubic root of 135541429 is about 513.6776696399.

The spelling of 135541429 in words is "one hundred thirty-five million, five hundred forty-one thousand, four hundred twenty-nine".