134388555 has 32 divisors (see below), whose sum is σ = 247062528. Its totient is φ = 61104000.

The previous prime is 134388521. The next prime is 134388593. The reversal of 134388555 is 555883431.

It is not a de Polignac number, because 134388555 - 2⁶ = 134388491 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16705 + ... + 23405.

It is an arithmetic number, because the mean of its divisors is an integer number (7720704).

Almost surely, 2^134388555 is an apocalyptic number.

134388555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

134388555 is a deficient number, since it is larger than the sum of its proper divisors (112673973).

134388555 is a wasteful number, since it uses less digits than its factorization.

134388555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6907.

The product of its digits is 288000, while the sum is 42.

The square root of 134388555 is about 11592.6077739221. The cubic root of 134388555 is about 512.2171256730.

It can be divided in two parts, 1343 and 88555, that added together give a palindrome (89898).

The spelling of 134388555 in words is "one hundred thirty-four million, three hundred eighty-eight thousand, five hundred fifty-five".