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136139729088 = 26311223254783
BaseRepresentation
bin111111011001010001…
…1110110100011000000
3111000101210220210120110
41332302203312203000
54212303232312323
6142313002511320
712556445414106
oct1766243664300
9430353823513
10136139729088
1152811367500
1222474b05540
13cab7bb451c
146836a8bc76
15381bd9c793
hex1fb28f68c0

136139729088 has 168 divisors, whose sum is σ = 413141428224. Its totient is φ = 39460636160.

The previous prime is 136139729051. The next prime is 136139729113. The reversal of 136139729088 is 880927931631.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 406945 + ... + 661727.

It is an arithmetic number, because the mean of its divisors is an integer number (2459175168).

Almost surely, 2136139729088 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 136139729088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (206570714112).

136139729088 is an abundant number, since it is smaller than the sum of its proper divisors (277001699136).

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

136139729088 is a wasteful number, since it uses less digits than its factorization.

136139729088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254843 (or 254822 counting only the distinct ones).

The product of its (nonzero) digits is 3919104, while the sum is 57.

The spelling of 136139729088 in words is "one hundred thirty-six billion, one hundred thirty-nine million, seven hundred twenty-nine thousand, eighty-eight".