134409929 has 2 divisors, whose sum is σ = 134409930. Its totient is φ = 134409928.

The previous prime is 134409923. The next prime is 134410019. The reversal of 134409929 is 929904431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 92833225 + 41576704 = 9635^2 + 6448^2 .

It is an emirp because it is prime and its reverse (929904431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 134409929 - 2⁸ = 134409673 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (134409923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67204964 + 67204965.

It is an arithmetic number, because the mean of its divisors is an integer number (67204965).

Almost surely, 2^134409929 is an apocalyptic number.

It is an amenable number.

134409929 is a deficient number, since it is larger than the sum of its proper divisors (1).

134409929 is an equidigital number, since it uses as much as digits as its factorization.

134409929 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69984, while the sum is 41.

The square root of 134409929 is about 11593.5296178515. The cubic root of 134409929 is about 512.2442796432.

The spelling of 134409929 in words is "one hundred thirty-four million, four hundred nine thousand, nine hundred twenty-nine".