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134742 = 23171321
BaseRepresentation
bin100000111001010110
320211211110
4200321112
513302432
62515450
71100556
oct407126
9224743
10134742
1192263
1265b86
134943a
1437166
1529dcc
hex20e56

134742 has 16 divisors (see below), whose sum is σ = 285552. Its totient is φ = 42240.

The previous prime is 134741. The next prime is 134753. The reversal of 134742 is 247431.

It can be divided in two parts, 1 and 34742, that added together give a palindrome (34743).

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 7 ways as a sum of consecutive naturals, for example, 559 + ... + 762.

It is an arithmetic number, because the mean of its divisors is an integer number (17847).

2134742 is an apocalyptic number.

134742 is an abundant number, since it is smaller than the sum of its proper divisors (150810).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

134742 is a wasteful number, since it uses less digits than its factorization.

134742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1343.

The product of its digits is 672, while the sum is 21.

The square root of 134742 is about 367.0721999825. The cubic root of 134742 is about 51.2665780198.

The spelling of 134742 in words is "one hundred thirty-four thousand, seven hundred forty-two".

Divisors: 1 2 3 6 17 34 51 102 1321 2642 3963 7926 22457 44914 67371 134742