134123029 has 2 divisors, whose sum is σ = 134123030. Its totient is φ = 134123028.

The previous prime is 134123023. The next prime is 134123069. The reversal of 134123029 is 920321431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 134026929 + 96100 = 11577^2 + 310^2 .

It is a cyclic number.

It is not a de Polignac number, because 134123029 - 2³ = 134123021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 134122994 and 134123012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134123021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67061514 + 67061515.

It is an arithmetic number, because the mean of its divisors is an integer number (67061515).

Almost surely, 2^134123029 is an apocalyptic number.

It is an amenable number.

134123029 is a deficient number, since it is larger than the sum of its proper divisors (1).

134123029 is an equidigital number, since it uses as much as digits as its factorization.

134123029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 134123029 is about 11581.1497270349. The cubic root of 134123029 is about 511.8795556631.

The spelling of 134123029 in words is "one hundred thirty-four million, one hundred twenty-three thousand, twenty-nine".