135632129 has 2 divisors, whose sum is σ = 135632130. Its totient is φ = 135632128.

The previous prime is 135632111. The next prime is 135632179. The reversal of 135632129 is 921236531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 105678400 + 29953729 = 10280^2 + 5473^2 .

It is a cyclic number.

It is not a de Polignac number, because 135632129 - 2²⁴ = 118854913 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 135632095 and 135632104.

It is not a weakly prime, because it can be changed into another prime (135632179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67816064 + 67816065.

It is an arithmetic number, because the mean of its divisors is an integer number (67816065).

Almost surely, 2^135632129 is an apocalyptic number.

It is an amenable number.

135632129 is a deficient number, since it is larger than the sum of its proper divisors (1).

135632129 is an equidigital number, since it uses as much as digits as its factorization.

135632129 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9720, while the sum is 32.

The square root of 135632129 is about 11646.1207704540. The cubic root of 135632129 is about 513.7922229946.

The spelling of 135632129 in words is "one hundred thirty-five million, six hundred thirty-two thousand, one hundred twenty-nine".