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139130112 = 2831143383
BaseRepresentation
bin10000100101011…
…11010100000000
3100200210112122010
420102233110000
5241104130422
621450012520
73306405102
oct1022572400
9320715563
10139130112
1171598570
123a717140
1322a94414
1414699572
15c333b0c
hex84af500

139130112 has 144 divisors (see below), whose sum is σ = 414425088. Its totient is φ = 41072640.

The previous prime is 139130099. The next prime is 139130137. The reversal of 139130112 is 211031931.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 363073 + ... + 363455.

It is an arithmetic number, because the mean of its divisors is an integer number (2877952).

Almost surely, 2139130112 is an apocalyptic number.

139130112 is a gapful number since it is divisible by the number (12) 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 139130112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (207212544).

139130112 is an abundant number, since it is smaller than the sum of its proper divisors (275294976).

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

139130112 is a wasteful number, since it uses less digits than its factorization.

139130112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456 (or 442 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 21.

The square root of 139130112 is about 11795.3428097703. The cubic root of 139130112 is about 518.1717254365.

The spelling of 139130112 in words is "one hundred thirty-nine million, one hundred thirty thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 11 12 16 22 24 32 33 43 44 48 64 66 86 88 96 128 129 132 172 176 192 256 258 264 344 352 383 384 473 516 528 688 704 766 768 946 1032 1056 1149 1376 1408 1419 1532 1892 2064 2112 2298 2752 2816 2838 3064 3784 4128 4213 4224 4596 5504 5676 6128 7568 8256 8426 8448 9192 11008 11352 12256 12639 15136 16469 16512 16852 18384 22704 24512 25278 30272 32938 33024 33704 36768 45408 49024 49407 50556 60544 65876 67408 73536 90816 98048 98814 101112 121088 131752 134816 147072 181159 181632 197628 202224 263504 269632 294144 362318 363264 395256 404448 527008 539264 543477 724636 790512 808896 1054016 1078528 1086954 1449272 1581024 1617792 2108032 2173908 2898544 3162048 3235584 4216064 4347816 5797088 6324096 8695632 11594176 12648192 17391264 23188352 34782528 46376704 69565056 139130112