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136230912 = 2113219389
BaseRepresentation
bin10000001111010…
…11100000000000
3100111100020200100
420013223200000
5234333342122
621303522400
73242641446
oct1007534000
9314306610
10136230912
116a998334
1239759400
13222ba90c
1414142b96
15be5eaac
hex81eb800

136230912 has 144 divisors (see below), whose sum is σ = 415233000. Its totient is φ = 42909696.

The previous prime is 136230907. The next prime is 136230949. The reversal of 136230912 is 219032631.

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-2 number, since 2×1362309122 = 37117722768703488, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 350014 + ... + 350402.

Almost surely, 2136230912 is an apocalyptic number.

136230912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 136230912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (207616500).

136230912 is an abundant number, since it is smaller than the sum of its proper divisors (279002088).

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

136230912 is a wasteful number, since it uses less digits than its factorization.

136230912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436 (or 413 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 136230912 is about 11671.7998612039. The cubic root of 136230912 is about 514.5472024737.

The spelling of 136230912 in words is "one hundred thirty-six million, two hundred thirty thousand, nine hundred twelve".

Divisors: 1 2 3 4 6 8 9 12 16 18 19 24 32 36 38 48 57 64 72 76 96 114 128 144 152 171 192 228 256 288 304 342 384 389 456 512 576 608 684 768 778 912 1024 1152 1167 1216 1368 1536 1556 1824 2048 2304 2334 2432 2736 3072 3112 3501 3648 4608 4668 4864 5472 6144 6224 7002 7296 7391 9216 9336 9728 10944 12448 14004 14592 14782 18432 18672 19456 21888 22173 24896 28008 29184 29564 37344 38912 43776 44346 49792 56016 58368 59128 66519 74688 87552 88692 99584 112032 116736 118256 133038 149376 175104 177384 199168 224064 236512 266076 298752 350208 354768 398336 448128 473024 532152 597504 709536 796672 896256 946048 1064304 1195008 1419072 1792512 1892096 2128608 2390016 2838144 3585024 3784192 4257216 5676288 7170048 7568384 8514432 11352576 15136768 17028864 22705152 34057728 45410304 68115456 136230912