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136835860 = 22573141769
BaseRepresentation
bin10000010011111…
…11001100010100
3100112110222111211
420021333030110
5240012221420
621324511204
73251041240
oct1011771424
9315428454
10136835860
1170270897
12399ab504
1322470085
141425d420
15c02de5a
hex827f314

136835860 has 96 divisors (see below), whose sum is σ = 347719680. Its totient is φ = 44236800.

The previous prime is 136835849. The next prime is 136835921. The reversal of 136835860 is 68538631.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 177556 + ... + 178324.

It is an arithmetic number, because the mean of its divisors is an integer number (3622080).

Almost surely, 2136835860 is an apocalyptic number.

136835860 is a gapful number since it is divisible by the number (10) 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 136835860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173859840).

136835860 is an abundant number, since it is smaller than the sum of its proper divisors (210883820).

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

136835860 is a wasteful number, since it uses less digits than its factorization.

136835860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 857 (or 855 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 136835860 is about 11697.6860959764. The cubic root of 136835860 is about 515.3077119176.

The spelling of 136835860 in words is "one hundred thirty-six million, eight hundred thirty-five thousand, eight hundred sixty".

Divisors: 1 2 4 5 7 10 14 20 28 31 35 41 62 70 82 124 140 155 164 205 217 287 310 410 434 574 620 769 820 868 1085 1148 1271 1435 1538 2170 2542 2870 3076 3845 4340 5084 5383 5740 6355 7690 8897 10766 12710 15380 17794 21532 23839 25420 26915 31529 35588 44485 47678 53830 63058 88970 95356 107660 119195 126116 157645 166873 177940 220703 238390 315290 333746 441406 476780 630580 667492 834365 882812 977399 1103515 1668730 1954798 2207030 3337460 3909596 4414060 4886995 6841793 9773990 13683586 19547980 27367172 34208965 68417930 136835860