134723605 has 8 divisors (see below), whose sum is σ = 161732664. Its totient is φ = 107736000.

The previous prime is 134723599. The next prime is 134723653. The reversal of 134723605 is 506327431.

It can be written as a sum of positive squares in 4 ways, for example, as 1156 + 134722449 = 34^2 + 11607^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 134723605 - 2²⁷ = 505877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 16755 + ... + 23455.

It is an arithmetic number, because the mean of its divisors is an integer number (20216583).

Almost surely, 2^134723605 is an apocalyptic number.

It is an amenable number.

134723605 is a deficient number, since it is larger than the sum of its proper divisors (27009059).

134723605 is an equidigital number, since it uses as much as digits as its factorization.

134723605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10727.

The product of its (nonzero) digits is 15120, while the sum is 31.

The square root of 134723605 is about 11607.0497974291. The cubic root of 134723605 is about 512.6424493972.

The spelling of 134723605 in words is "one hundred thirty-four million, seven hundred twenty-three thousand, six hundred five".