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136770144 = 2537238849
BaseRepresentation
bin10000010011011…
…11001001100000
3100112100122100220
420021233021200
5240003121034
621323243040
73250345530
oct1011571140
9315318326
10136770144
1170226485
1239979480
13224491a4
14142434c0
15c019749
hex826f260

136770144 has 96 divisors (see below), whose sum is σ = 428198400. Its totient is φ = 37373952.

The previous prime is 136770133. The next prime is 136770173. The reversal of 136770144 is 441077631.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11032 + ... + 19880.

It is an arithmetic number, because the mean of its divisors is an integer number (4460400).

Almost surely, 2136770144 is an apocalyptic number.

136770144 is a gapful number since it is divisible by the number (14) 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 136770144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (214099200).

136770144 is an abundant number, since it is smaller than the sum of its proper divisors (291428256).

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

136770144 is a wasteful number, since it uses less digits than its factorization.

136770144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8892 (or 8884 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 33.

The square root of 136770144 is about 11694.8768270555. The cubic root of 136770144 is about 515.2252058061.

The spelling of 136770144 in words is "one hundred thirty-six million, seven hundred seventy thousand, one hundred forty-four".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 23 24 28 32 42 46 48 56 69 84 92 96 112 138 161 168 184 224 276 322 336 368 483 552 644 672 736 966 1104 1288 1932 2208 2576 3864 5152 7728 8849 15456 17698 26547 35396 53094 61943 70792 106188 123886 141584 185829 203527 212376 247772 283168 371658 407054 424752 495544 610581 743316 814108 849504 991088 1221162 1424689 1486632 1628216 1982176 2442324 2849378 2973264 3256432 4274067 4884648 5698756 5946528 6512864 8548134 9769296 11397512 17096268 19538592 22795024 34192536 45590048 68385072 136770144