134642029 has 2 divisors, whose sum is σ = 134642030. Its totient is φ = 134642028.

The previous prime is 134642017. The next prime is 134642047. The reversal of 134642029 is 920246431.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 94128804 + 40513225 = 9702^2 + 6365^2 .

It is a cyclic number.

It is not a de Polignac number, because 134642029 - 2¹⁵ = 134609261 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134642009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67321014 + 67321015.

It is an arithmetic number, because the mean of its divisors is an integer number (67321015).

Almost surely, 2^134642029 is an apocalyptic number.

It is an amenable number.

134642029 is a deficient number, since it is larger than the sum of its proper divisors (1).

134642029 is an equidigital number, since it uses as much as digits as its factorization.

134642029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 134642029 is about 11603.5351940691. The cubic root of 134642029 is about 512.5389590847.

The spelling of 134642029 in words is "one hundred thirty-four million, six hundred forty-two thousand, twenty-nine".