134749 has 6 divisors (see below), whose sum is σ = 139934. Its totient is φ = 129720.

The previous prime is 134741. The next prime is 134753. The reversal of 134749 is 947431.

134749 = T₅₁ + T₅₂ + ... + T₉₇.

134749 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 79524 + 55225 = 282^2 + 235^2 .

It is not a de Polignac number, because 134749 - 2³ = 134741 is a prime.

Its product of digits (3024) is a multiple of the sum of its prime divisors (108).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134741) 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, 2179 + ... + 2239.

2¹³⁴⁷⁴⁹ is an apocalyptic number.

It is an amenable number.

134749 is a deficient number, since it is larger than the sum of its proper divisors (5185).

134749 is an frugal number, since it uses more digits than its factorization.

134749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155 (or 108 counting only the distinct ones).

The product of its digits is 3024, while the sum is 28.

The square root of 134749 is about 367.0817347676. The cubic root of 134749 is about 51.2674657901.

The spelling of 134749 in words is "one hundred thirty-four thousand, seven hundred forty-nine".