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134023 = 223601
BaseRepresentation
bin100000101110000111
320210211211
4200232013
513242043
62512251
71065511
oct405607
9223754
10134023
119176a
1265687
1349006
1436bb1
1529a9d
hex20b87

134023 has 4 divisors (see below), whose sum is σ = 134848. Its totient is φ = 133200.

The previous prime is 133999. The next prime is 134033. The reversal of 134023 is 320431.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-134023 is a prime.

It is a Duffinian number.

134023 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 133994 and 134012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78 + ... + 523.

It is an arithmetic number, because the mean of its divisors is an integer number (33712).

2134023 is an apocalyptic number.

134023 is a deficient number, since it is larger than the sum of its proper divisors (825).

134023 is an equidigital number, since it uses as much as digits as its factorization.

134023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 824.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 134023 is about 366.0915186125. The cubic root of 134023 is about 51.1752270700.

Adding to 134023 its reverse (320431), we get a palindrome (454454).

The spelling of 134023 in words is "one hundred thirty-four thousand, twenty-three".

Divisors: 1 223 601 134023