134228571 has 4 divisors (see below), whose sum is σ = 178971432. Its totient is φ = 89485712.

The previous prime is 134228551. The next prime is 134228593. The reversal of 134228571 is 175822431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 175822431 = 3 ⋅58607477.

It is a cyclic number.

It is not a de Polignac number, because 134228571 - 2¹⁰ = 134227547 is a prime.

It is a nialpdrome in base 15.

It is a zygodrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (134228551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22371426 + ... + 22371431.

It is an arithmetic number, because the mean of its divisors is an integer number (44742858).

Almost surely, 2^134228571 is an apocalyptic number.

134228571 is a deficient number, since it is larger than the sum of its proper divisors (44742861).

134228571 is an equidigital number, since it uses as much as digits as its factorization.

134228571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44742860.

The product of its digits is 13440, while the sum is 33.

The square root of 134228571 is about 11585.7054597465. The cubic root of 134228571 is about 512.0137872162.

The spelling of 134228571 in words is "one hundred thirty-four million, two hundred twenty-eight thousand, five hundred seventy-one".