134553478 has 16 divisors (see below), whose sum is σ = 213225840. Its totient is φ = 63504000.

The previous prime is 134553469. The next prime is 134553481. The reversal of 134553478 is 874355431.

It is a self number, because there is not a number n which added to its sum of digits gives 134553478.

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 7 ways as a sum of consecutive naturals, for example, 4378 + ... + 16978.

It is an arithmetic number, because the mean of its divisors is an integer number (13326615).

Almost surely, 2^134553478 is an apocalyptic number.

134553478 is a deficient number, since it is larger than the sum of its proper divisors (78672362).

134553478 is a wasteful number, since it uses less digits than its factorization.

134553478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12903.

The product of its digits is 201600, while the sum is 40.

The square root of 134553478 is about 11599.7188759038. The cubic root of 134553478 is about 512.4265727046.

The spelling of 134553478 in words is "one hundred thirty-four million, five hundred fifty-three thousand, four hundred seventy-eight".