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134929 = 177937
BaseRepresentation
bin100000111100010001
320212002101
4200330101
513304204
62520401
71101244
oct407421
9225071
10134929
1192413
1266101
1349552
143725b
1529ea4
hex20f11

134929 has 4 divisors (see below), whose sum is σ = 142884. Its totient is φ = 126976.

The previous prime is 134923. The next prime is 134947. The reversal of 134929 is 929431.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 123904 + 11025 = 352^2 + 105^2 .

It is a cyclic number.

It is not a de Polignac number, because 134929 - 23 = 134921 is a prime.

It is a Duffinian number.

134929 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 134897 and 134906.

It is not an unprimeable number, because it can be changed into a prime (134921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3952 + ... + 3985.

It is an arithmetic number, because the mean of its divisors is an integer number (35721).

2134929 is an apocalyptic number.

It is an amenable number.

134929 is a deficient number, since it is larger than the sum of its proper divisors (7955).

134929 is an equidigital number, since it uses as much as digits as its factorization.

134929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7954.

The product of its digits is 1944, while the sum is 28.

The square root of 134929 is about 367.3268299485. The cubic root of 134929 is about 51.2902836164.

It can be divided in two parts, 1349 and 29, that added together give a triangular number (1378 = T52).

The spelling of 134929 in words is "one hundred thirty-four thousand, nine hundred twenty-nine".

Divisors: 1 17 7937 134929