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134439 = 3411093
BaseRepresentation
bin100000110100100111
320211102020
4200310213
513300224
62514223
71066644
oct406447
9224366
10134439
1192008
1265973
1349266
1436dcb
1529c79
hex20d27

134439 has 8 divisors (see below), whose sum is σ = 183792. Its totient is φ = 87360.

The previous prime is 134437. The next prime is 134443. The reversal of 134439 is 934431.

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

It is not a de Polignac number, because 134439 - 21 = 134437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134437) 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, 424 + ... + 669.

It is an arithmetic number, because the mean of its divisors is an integer number (22974).

2134439 is an apocalyptic number.

134439 is a deficient number, since it is larger than the sum of its proper divisors (49353).

134439 is a wasteful number, since it uses less digits than its factorization.

134439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1137.

The product of its digits is 1296, while the sum is 24.

The square root of 134439 is about 366.6592423491. The cubic root of 134439 is about 51.2281207421.

The spelling of 134439 in words is "one hundred thirty-four thousand, four hundred thirty-nine".

Divisors: 1 3 41 123 1093 3279 44813 134439