134739 has 12 divisors (see below), whose sum is σ = 212472. Its totient is φ = 81600.

The previous prime is 134731. The next prime is 134741. The reversal of 134739 is 937431.

It is not a de Polignac number, because 134739 - 2³ = 134731 is a prime.

It is not an unprimeable number, because it can be changed into a prime (134731) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 582 + ... + 779.

It is an arithmetic number, because the mean of its divisors is an integer number (17706).

2¹³⁴⁷³⁹ is an apocalyptic number.

134739 is a deficient number, since it is larger than the sum of its proper divisors (77733).

134739 is a wasteful number, since it uses less digits than its factorization.

134739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1378 (or 1375 counting only the distinct ones).

The product of its digits is 2268, while the sum is 27.

The square root of 134739 is about 367.0681135702. The cubic root of 134739 is about 51.2661975374.

The spelling of 134739 in words is "one hundred thirty-four thousand, seven hundred thirty-nine".