134387 has 8 divisors (see below), whose sum is σ = 154560. Its totient is φ = 115560.

The previous prime is 134371. The next prime is 134399. The reversal of 134387 is 783431.

134387 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 134387 - 2⁴ = 134371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113 + ... + 530.

It is an arithmetic number, because the mean of its divisors is an integer number (19320).

2¹³⁴³⁸⁷ is an apocalyptic number.

134387 is a deficient number, since it is larger than the sum of its proper divisors (20173).

134387 is a wasteful number, since it uses less digits than its factorization.

134387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673.

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

The square root of 134387 is about 366.5883249641. The cubic root of 134387 is about 51.2215150057.

The spelling of 134387 in words is "one hundred thirty-four thousand, three hundred eighty-seven".