134988 has 24 divisors (see below), whose sum is σ = 360192. Its totient is φ = 38544.

The previous prime is 134951. The next prime is 134989. The reversal of 134988 is 889431.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 134988.

It is not an unprimeable number, because it can be changed into a prime (134989) by changing a digit.

134988 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 in 7 ways as a sum of consecutive naturals, for example, 720 + ... + 887.

It is an arithmetic number, because the mean of its divisors is an integer number (15008).

2¹³⁴⁹⁸⁸ is an apocalyptic number.

It is an amenable number.

134988 is an abundant number, since it is smaller than the sum of its proper divisors (225204).

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

134988 is a wasteful number, since it uses less digits than its factorization.

134988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1621 (or 1619 counting only the distinct ones).

The product of its digits is 6912, while the sum is 33.

The square root of 134988 is about 367.4071311230. The cubic root of 134988 is about 51.2977583766.

The spelling of 134988 in words is "one hundred thirty-four thousand, nine hundred eighty-eight".