134228555 has 4 divisors (see below), whose sum is σ = 161074272. Its totient is φ = 107382840.

The previous prime is 134228551. The next prime is 134228593. The reversal of 134228555 is 555822431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 555822431 = 9733 ⋅57107.

It is not a de Polignac number, because 134228555 - 2² = 134228551 is a prime.

It is a Duffinian number.

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, 13422851 + ... + 13422860.

It is an arithmetic number, because the mean of its divisors is an integer number (40268568).

Almost surely, 2^134228555 is an apocalyptic number.

134228555 is a deficient number, since it is larger than the sum of its proper divisors (26845717).

134228555 is an equidigital number, since it uses as much as digits as its factorization.

134228555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26845716.

The product of its digits is 48000, while the sum is 35.

The square root of 134228555 is about 11585.7047692404. The cubic root of 134228555 is about 512.0137668723.

The spelling of 134228555 in words is "one hundred thirty-four million, two hundred twenty-eight thousand, five hundred fifty-five".