134386129 has 4 divisors (see below), whose sum is σ = 136663920. Its totient is φ = 132108340.

The previous prime is 134386123. The next prime is 134386141. The reversal of 134386129 is 921683431.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 921683431 = 37 ⋅24910363.

It is a cyclic number.

It is not a de Polignac number, because 134386129 - 2⁵ = 134386097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134386123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1138807 + ... + 1138924.

It is an arithmetic number, because the mean of its divisors is an integer number (34165980).

Almost surely, 2^134386129 is an apocalyptic number.

It is an amenable number.

134386129 is a deficient number, since it is larger than the sum of its proper divisors (2277791).

134386129 is an equidigital number, since it uses as much as digits as its factorization.

134386129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2277790.

The product of its digits is 31104, while the sum is 37.

The square root of 134386129 is about 11592.5031378042. The cubic root of 134386129 is about 512.2140434506.

The spelling of 134386129 in words is "one hundred thirty-four million, three hundred eighty-six thousand, one hundred twenty-nine".