134405775 has 108 divisors (see below), whose sum is σ = 285575472. Its totient is φ = 60238080.

The previous prime is 134405743. The next prime is 134405783. The reversal of 134405775 is 577504431.

It is a happy number.

It is not a de Polignac number, because 134405775 - 2⁵ = 134405743 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 804742 + ... + 804908.

Almost surely, 2^134405775 is an apocalyptic number.

134405775 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

134405775 is an abundant number, since it is smaller than the sum of its proper divisors (151169697).

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

134405775 is a wasteful number, since it uses less digits than its factorization.

134405775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270 (or 255 counting only the distinct ones).

The product of its (nonzero) digits is 58800, while the sum is 36.

The square root of 134405775 is about 11593.3504648139. The cubic root of 134405775 is about 512.2390025414.

The spelling of 134405775 in words is "one hundred thirty-four million, four hundred five thousand, seven hundred seventy-five".