134842105 has 4 divisors (see below), whose sum is σ = 161810532. Its totient is φ = 107873680.

The previous prime is 134842091. The next prime is 134842129. The reversal of 134842105 is 501248431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 501248431 = 257 ⋅1950383.

It can be written as a sum of positive squares in 2 ways, for example, as 68956416 + 65885689 = 8304^2 + 8117^2 .

It is not a de Polignac number, because 134842105 - 2⁵ = 134842073 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13484206 + ... + 13484215.

It is an arithmetic number, because the mean of its divisors is an integer number (40452633).

Almost surely, 2^134842105 is an apocalyptic number.

It is an amenable number.

134842105 is a deficient number, since it is larger than the sum of its proper divisors (26968427).

134842105 is an equidigital number, since it uses as much as digits as its factorization.

134842105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26968426.

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 134842105 is about 11612.1533317469. The cubic root of 134842105 is about 512.7927084604.

The spelling of 134842105 in words is "one hundred thirty-four million, eight hundred forty-two thousand, one hundred five".