134431705 has 4 divisors (see below), whose sum is σ = 161318052. Its totient is φ = 107545360.

The previous prime is 134431667. The next prime is 134431723. The reversal of 134431705 is 507134431.

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 106584976 + 27846729 = 10324^2 + 5277^2 .

It is not a de Polignac number, because 134431705 - 2¹¹ = 134429657 is a prime.

It is a Duffinian 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 3 ways as a sum of consecutive naturals, for example, 13443166 + ... + 13443175.

It is an arithmetic number, because the mean of its divisors is an integer number (40329513).

Almost surely, 2^134431705 is an apocalyptic number.

It is an amenable number.

134431705 is a deficient number, since it is larger than the sum of its proper divisors (26886347).

134431705 is an equidigital number, since it uses as much as digits as its factorization.

134431705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26886346.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 134431705 is about 11594.4687243530. The cubic root of 134431705 is about 512.2719413623.

The spelling of 134431705 in words is "one hundred thirty-four million, four hundred thirty-one thousand, seven hundred five".