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137486128 = 24131921831
BaseRepresentation
bin10000011000111…
…01111100110000
3100120201000111211
420030131330300
5240144024003
621350445504
73256420123
oct1014357460
9316630454
10137486128
11706753aa
123a063894
132263a050
141438c3ba
15c10b96d
hex831df30

137486128 has 60 divisors (see below), whose sum is σ = 302928528. Its totient is φ = 60082560.

The previous prime is 137486113. The next prime is 137486137. The reversal of 137486128 is 821684731.

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 11 ways as a sum of consecutive naturals, for example, 74173 + ... + 76003.

Almost surely, 2137486128 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 137486128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151464264).

137486128 is an abundant number, since it is smaller than the sum of its proper divisors (165442400).

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

137486128 is a wasteful number, since it uses less digits than its factorization.

137486128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1890 (or 1865 counting only the distinct ones).

The product of its digits is 64512, while the sum is 40.

The square root of 137486128 is about 11725.4478805716. The cubic root of 137486128 is about 516.1226998235.

The spelling of 137486128 in words is "one hundred thirty-seven million, four hundred eighty-six thousand, one hundred twenty-eight".

Divisors: 1 2 4 8 13 16 19 26 38 52 76 104 152 208 247 304 361 494 722 988 1444 1831 1976 2888 3662 3952 4693 5776 7324 9386 14648 18772 23803 29296 34789 37544 47606 69578 75088 95212 139156 190424 278312 380848 452257 556624 660991 904514 1321982 1809028 2643964 3618056 5287928 7236112 8592883 10575856 17185766 34371532 68743064 137486128