135429289 has 2 divisors, whose sum is σ = 135429290. Its totient is φ = 135429288.

The previous prime is 135429277. The next prime is 135429319. The reversal of 135429289 is 982924531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 112466025 + 22963264 = 10605^2 + 4792^2 .

It is a cyclic number.

It is not a de Polignac number, because 135429289 - 2¹¹ = 135427241 is a prime.

It is not a weakly prime, because it can be changed into another prime (135423289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67714644 + 67714645.

It is an arithmetic number, because the mean of its divisors is an integer number (67714645).

Almost surely, 2^135429289 is an apocalyptic number.

It is an amenable number.

135429289 is a deficient number, since it is larger than the sum of its proper divisors (1).

135429289 is an equidigital number, since it uses as much as digits as its factorization.

135429289 is an evil number, because the sum of its binary digits is even.

The product of its digits is 155520, while the sum is 43.

The square root of 135429289 is about 11637.4090329420. The cubic root of 135429289 is about 513.5359670678.

The spelling of 135429289 in words is "one hundred thirty-five million, four hundred twenty-nine thousand, two hundred eighty-nine".