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136854 = 2327603
BaseRepresentation
bin100001011010010110
320221201200
4201122112
513334404
62533330
71106664
oct413226
9227650
10136854
1193903
1267246
134a3a3
1437c34
152a839
hex21696

136854 has 12 divisors (see below), whose sum is σ = 296556. Its totient is φ = 45612.

The previous prime is 136849. The next prime is 136859. The reversal of 136854 is 458631.

It is an interprime number because it is at equal distance from previous prime (136849) and next prime (136859).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136859) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3784 + ... + 3819.

It is an arithmetic number, because the mean of its divisors is an integer number (24713).

136854 is a Friedman number, since it can be written as 45618*3, using all its digits and the basic arithmetic operations.

2136854 is an apocalyptic number.

136854 is an abundant number, since it is smaller than the sum of its proper divisors (159702).

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

136854 is a wasteful number, since it uses less digits than its factorization.

136854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7611 (or 7608 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 136854 is about 369.9378326152. The cubic root of 136854 is about 51.5330481945.

It can be divided in two parts, 13685 and 4, that added together give a square (13689 = 1172).

The spelling of 136854 in words is "one hundred thirty-six thousand, eight hundred fifty-four".

Divisors: 1 2 3 6 9 18 7603 15206 22809 45618 68427 136854