134918550 has 72 divisors (see below), whose sum is σ = 390381264. Its totient is φ = 33209280.

The previous prime is 134918521. The next prime is 134918573. The reversal of 134918550 is 55819431.

134918550 is a `hidden beast` number, since 13 + 4 + 91 + 8 + 550 = 666.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

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 35 ways as a sum of consecutive naturals, for example, 5682 + ... + 17381.

It is an arithmetic number, because the mean of its divisors is an integer number (5421962).

Almost surely, 2^134918550 is an apocalyptic number.

134918550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

134918550 is an abundant number, since it is smaller than the sum of its proper divisors (255462714).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

134918550 is a wasteful number, since it uses less digits than its factorization.

134918550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23094 (or 23086 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 36.

The square root of 134918550 is about 11615.4444598560. Note that the first 4 decimals coincide. The cubic root of 134918550 is about 512.8895946989.

The spelling of 134918550 in words is "one hundred thirty-four million, nine hundred eighteen thousand, five hundred fifty".