134223321555 has 72 divisors (see below), whose sum is σ = 247111826832. Its totient is φ = 67384856448.

The previous prime is 134223321541. The next prime is 134223321611. The reversal of 134223321555 is 555123322431.

134223321555 is a `hidden beast` number, since 1 + 34 + 22 + 33 + 21 + 555 = 666.

It is not a de Polignac number, because 134223321555 - 2²³ = 134214932947 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2524152 + ... + 2576778.

It is an arithmetic number, because the mean of its divisors is an integer number (3432108706).

Almost surely, 2^134223321555 is an apocalyptic number.

134223321555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

134223321555 is a deficient number, since it is larger than the sum of its proper divisors (112888505277).

134223321555 is a wasteful number, since it uses less digits than its factorization.

134223321555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52833 (or 52811 counting only the distinct ones).

The product of its digits is 108000, while the sum is 36.

Adding to 134223321555 its reverse (555123322431), we get a palindrome (689346643986).

The spelling of 134223321555 in words is "one hundred thirty-four billion, two hundred twenty-three million, three hundred twenty-one thousand, five hundred fifty-five".