134378 has 4 divisors (see below), whose sum is σ = 201570. Its totient is φ = 67188.

The previous prime is 134371. The next prime is 134399. The reversal of 134378 is 873431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 873431 = 13 ⋅67187.

It can be written as a sum of positive squares in only one way, i.e., 80089 + 54289 = 283^2 + 233^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (134371) by changing a digit.

134378 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33593 + ... + 33596.

2¹³⁴³⁷⁸ is an apocalyptic number.

134378 is a deficient number, since it is larger than the sum of its proper divisors (67192).

134378 is an equidigital number, since it uses as much as digits as its factorization.

134378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67191.

The product of its digits is 2016, while the sum is 26.

The square root of 134378 is about 366.5760494086. The cubic root of 134378 is about 51.2203715321.

It can be divided in two parts, 134 and 378, that added together give a 9-th power (512 = 2⁹).

The spelling of 134378 in words is "one hundred thirty-four thousand, three hundred seventy-eight".