134385 has 24 divisors (see below), whose sum is σ = 235776. Its totient is φ = 65280.

The previous prime is 134371. The next prime is 134399. The reversal of 134385 is 583431.

It is an interprime number because it is at equal distance from previous prime (134371) and next prime (134399).

It is not a de Polignac number, because 134385 - 2⁴ = 134369 is a prime.

It is a Curzon number.

134385 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4320 + ... + 4350.

It is an arithmetic number, because the mean of its divisors is an integer number (9824).

2¹³⁴³⁸⁵ is an apocalyptic number.

134385 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

134385 is a deficient number, since it is larger than the sum of its proper divisors (101391).

134385 is a wasteful number, since it uses less digits than its factorization.

134385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73 (or 56 counting only the distinct ones).

The product of its digits is 1440, while the sum is 24.

The square root of 134385 is about 366.5855970984. The cubic root of 134385 is about 51.2212609048.

The spelling of 134385 in words is "one hundred thirty-four thousand, three hundred eighty-five".