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137139800790 = 235417110914407
BaseRepresentation
bin111111110111000101…
…0110100101011010110
3111002222111201201001010
41333232022310223112
54221330242111130
6143000125513050
712623311034046
oct1775612645326
9432874651033
10137139800790
115318492a143
12226b3a12786
13cc17148225
1468cd817726
153879a950b0
hex1fee2b4ad6

137139800790 has 128 divisors (see below), whose sum is σ = 345072752640. Its totient is φ = 34850995200.

The previous prime is 137139800729. The next prime is 137139800801. The reversal of 137139800790 is 97008931731.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9511767 + ... + 9526173.

It is an arithmetic number, because the mean of its divisors is an integer number (2695880880).

Almost surely, 2137139800790 is an apocalyptic number.

137139800790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 137139800790, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172536376320).

137139800790 is an abundant number, since it is smaller than the sum of its proper divisors (207932951850).

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

137139800790 is a wasteful number, since it uses less digits than its factorization.

137139800790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14638.

The product of its (nonzero) digits is 285768, while the sum is 48.

The spelling of 137139800790 in words is "one hundred thirty-seven billion, one hundred thirty-nine million, eight hundred thousand, seven hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 41 71 82 109 123 142 205 213 218 246 327 355 410 426 545 615 654 710 1065 1090 1230 1635 2130 2911 3270 4469 5822 7739 8733 8938 13407 14407 14555 15478 17466 22345 23217 26814 28814 29110 38695 43221 43665 44690 46434 67035 72035 77390 86442 87330 116085 134070 144070 216105 232170 317299 432210 590687 634598 951897 1022897 1181374 1570363 1586495 1772061 1903794 2045794 2953435 3068691 3140726 3172990 3544122 4711089 4759485 5114485 5906870 6137382 7851815 8860305 9422178 9518970 10228970 15343455 15703630 17720610 23555445 30686910 41938777 47110890 64384883 83877554 111495773 125816331 128769766 193154649 209693885 222991546 251632662 321924415 334487319 386309298 419387770 557478865 629081655 643848830 668974638 965773245 1114957730 1258163310 1672436595 1931546490 3344873190 4571326693 9142653386 13713980079 22856633465 27427960158 45713266930 68569900395 137139800790