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136956 = 223101113
BaseRepresentation
bin100001011011111100
320221212110
4201123330
513340311
62534020
71110201
oct413374
9227773
10136956
1193996
1267310
134a451
1437ca8
152a8a6
hex216fc

136956 has 24 divisors (see below), whose sum is σ = 325584. Its totient is φ = 44800.

The previous prime is 136951. The next prime is 136963. The reversal of 136956 is 659631.

It is a happy number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 136956.

It is not an unprimeable number, because it can be changed into a prime (136951) by changing a digit.

136956 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1156 + ... + 1268.

It is an arithmetic number, because the mean of its divisors is an integer number (13566).

2136956 is an apocalyptic number.

It is an amenable number.

136956 is an abundant number, since it is smaller than the sum of its proper divisors (188628).

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

136956 is a wasteful number, since it uses less digits than its factorization.

136956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221 (or 219 counting only the distinct ones).

The product of its digits is 4860, while the sum is 30.

The square root of 136956 is about 370.0756679383. The cubic root of 136956 is about 51.5458478826.

The spelling of 136956 in words is "one hundred thirty-six thousand, nine hundred fifty-six".

Divisors: 1 2 3 4 6 12 101 113 202 226 303 339 404 452 606 678 1212 1356 11413 22826 34239 45652 68478 136956