134217929 has 2 divisors, whose sum is σ = 134217930. Its totient is φ = 134217928.

The previous prime is 134217917. The next prime is 134217931. The reversal of 134217929 is 929712431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 131721529 + 2496400 = 11477^2 + 1580^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-134217929 is a prime.

Together with 134217931, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 134217892 and 134217901.

It is not a weakly prime, because it can be changed into another prime (134217989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67108964 + 67108965.

It is an arithmetic number, because the mean of its divisors is an integer number (67108965).

Almost surely, 2^134217929 is an apocalyptic number.

It is an amenable number.

134217929 is a deficient number, since it is larger than the sum of its proper divisors (1).

134217929 is an equidigital number, since it uses as much as digits as its factorization.

134217929 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27216, while the sum is 38.

The square root of 134217929 is about 11585.2461777901. The cubic root of 134217929 is about 512.0002555846. Note that the first 3 decimals are identical.

The spelling of 134217929 in words is "one hundred thirty-four million, two hundred seventeen thousand, nine hundred twenty-nine".