135008429 has 2 divisors, whose sum is σ = 135008430. Its totient is φ = 135008428.

The previous prime is 135008411. The next prime is 135008473. The reversal of 135008429 is 924800531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 114532804 + 20475625 = 10702^2 + 4525^2 .

It is a cyclic number.

It is not a de Polignac number, because 135008429 - 2¹² = 135004333 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 135008395 and 135008404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135008729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67504214 + 67504215.

It is an arithmetic number, because the mean of its divisors is an integer number (67504215).

Almost surely, 2^135008429 is an apocalyptic number.

It is an amenable number.

135008429 is a deficient number, since it is larger than the sum of its proper divisors (1).

135008429 is an equidigital number, since it uses as much as digits as its factorization.

135008429 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 135008429 is about 11619.3127593675. The cubic root of 135008429 is about 513.0034603640.

The spelling of 135008429 in words is "one hundred thirty-five million, eight thousand, four hundred twenty-nine".