134870555 has 4 divisors (see below), whose sum is σ = 161844672. Its totient is φ = 107896440.

The previous prime is 134870543. The next prime is 134870581. The reversal of 134870555 is 555078431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 555078431 = 59 ⋅9408109.

It is not a de Polignac number, because 134870555 - 2¹⁴ = 134854171 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 (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13487051 + ... + 13487060.

It is an arithmetic number, because the mean of its divisors is an integer number (40461168).

Almost surely, 2^134870555 is an apocalyptic number.

134870555 is a deficient number, since it is larger than the sum of its proper divisors (26974117).

134870555 is an equidigital number, since it uses as much as digits as its factorization.

134870555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26974116.

The product of its (nonzero) digits is 84000, while the sum is 38.

The square root of 134870555 is about 11613.3782767978. The cubic root of 134870555 is about 512.8287702099.

The spelling of 134870555 in words is "one hundred thirty-four million, eight hundred seventy thousand, five hundred fifty-five".