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136145590 = 2571944937
BaseRepresentation
bin10000001110101…
…10101010110110
3100111011220122021
420013112222312
5234323124330
621302023354
73242134630
oct1007265266
9314156567
10136145590
116a93a219
1239717b5a
132228ab29
141411da50
15be4467a
hex81d6ab6

136145590 has 16 divisors (see below), whose sum is σ = 280071072. Its totient is φ = 46678464.

The previous prime is 136145563. The next prime is 136145593. The reversal of 136145590 is 95541631.

136145590 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136145593) 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, 972399 + ... + 972538.

It is an arithmetic number, because the mean of its divisors is an integer number (17504442).

Almost surely, 2136145590 is an apocalyptic number.

136145590 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

136145590 is an abundant number, since it is smaller than the sum of its proper divisors (143925482).

136145590 is a wasteful number, since it uses less digits than its factorization.

136145590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1944951.

The product of its (nonzero) digits is 16200, while the sum is 34.

The square root of 136145590 is about 11668.1442397667. The cubic root of 136145590 is about 514.4397590055.

The spelling of 136145590 in words is "one hundred thirty-six million, one hundred forty-five thousand, five hundred ninety".

Divisors: 1 2 5 7 10 14 35 70 1944937 3889874 9724685 13614559 19449370 27229118 68072795 136145590