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136508346 = 23213678707
BaseRepresentation
bin10000010001011…
…11001110111010
3100111212100020200
420020233032322
5234421231341
621313503030
73245205342
oct1010571672
9314770220
10136508346
1170067817
1239871a76
1322386c90
14141b5d22
15beb6db6
hex822f3ba

136508346 has 48 divisors (see below), whose sum is σ = 323310624. Its totient is φ = 41370912.

The previous prime is 136508341. The next prime is 136508347. The reversal of 136508346 is 643805631.

136508346 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 136508346.

It is not an unprimeable number, because it can be changed into a prime (136508341) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11325 + ... + 20031.

It is an arithmetic number, because the mean of its divisors is an integer number (6735638).

Almost surely, 2136508346 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 136508346, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161655312).

136508346 is an abundant number, since it is smaller than the sum of its proper divisors (186802278).

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

136508346 is a wasteful number, since it uses less digits than its factorization.

136508346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8795 (or 8792 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 136508346 is about 11683.6786159155. The cubic root of 136508346 is about 514.8962571061.

The spelling of 136508346 in words is "one hundred thirty-six million, five hundred eight thousand, three hundred forty-six".

Divisors: 1 2 3 6 9 13 18 26 39 67 78 117 134 201 234 402 603 871 1206 1742 2613 5226 7839 8707 15678 17414 26121 52242 78363 113191 156726 226382 339573 583369 679146 1018719 1166738 1750107 2037438 3500214 5250321 7583797 10500642 15167594 22751391 45502782 68254173 136508346