134666775 has 108 divisors (see below), whose sum is σ = 272186200. Its totient is φ = 63452160.

The previous prime is 134666773. The next prime is 134666803. The reversal of 134666775 is 577666431.

It is not a de Polignac number, because 134666775 - 2¹ = 134666773 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 134666775.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134666773) by changing a digit.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 1235421 + ... + 1235529.

Almost surely, 2^134666775 is an apocalyptic number.

134666775 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

134666775 is an abundant number, since it is smaller than the sum of its proper divisors (137519425).

134666775 is a wasteful number, since it uses less digits than its factorization.

134666775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178 (or 153 counting only the distinct ones).

The product of its digits is 635040, while the sum is 45.

The square root of 134666775 is about 11604.6014580424. The cubic root of 134666775 is about 512.5703571859.

It can be divided in two parts, 1346 and 66775, that added together give a square (68121 = 261²).

The spelling of 134666775 in words is "one hundred thirty-four million, six hundred sixty-six thousand, seven hundred seventy-five".