134885178 has 12 divisors (see below), whose sum is σ = 292251258. Its totient is φ = 44961720.

The previous prime is 134885171. The next prime is 134885207. The reversal of 134885178 is 871588431.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 134861769 + 23409 = 11613^2 + 153^2 .

It is a super-2 number, since 2×134885178² = 36388022488183368, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (134885171) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3746793 + ... + 3746828.

Almost surely, 2^134885178 is an apocalyptic number.

134885178 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

134885178 is an abundant number, since it is smaller than the sum of its proper divisors (157366080).

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

134885178 is a wasteful number, since it uses less digits than its factorization.

134885178 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7493629 (or 7493626 counting only the distinct ones).

The product of its digits is 215040, while the sum is 45.

The square root of 134885178 is about 11614.0078353685. The cubic root of 134885178 is about 512.8473035957.

The spelling of 134885178 in words is "one hundred thirty-four million, eight hundred eighty-five thousand, one hundred seventy-eight".