134923385 has 4 divisors (see below), whose sum is σ = 161908068. Its totient is φ = 107938704.

The previous prime is 134923381. The next prime is 134923391. The reversal of 134923385 is 583329431.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 67289209 + 67634176 = 8203^2 + 8224^2 .

It is a cyclic number.

It is not a de Polignac number, because 134923385 - 2² = 134923381 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (134923381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13492334 + ... + 13492343.

It is an arithmetic number, because the mean of its divisors is an integer number (40477017).

Almost surely, 2^134923385 is an apocalyptic number.

It is an amenable number.

134923385 is a deficient number, since it is larger than the sum of its proper divisors (26984683).

134923385 is an equidigital number, since it uses as much as digits as its factorization.

134923385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26984682.

The product of its digits is 77760, while the sum is 38.

The square root of 134923385 is about 11615.6525860582. The cubic root of 134923385 is about 512.8957213375.

The spelling of 134923385 in words is "one hundred thirty-four million, nine hundred twenty-three thousand, three hundred eighty-five".