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138160116 = 2232109137257
BaseRepresentation
bin10000011110000…
…10011111110100
3100121222021001100
420033002133310
5240332110431
621413130100
73265225113
oct1017023764
9317867040
10138160116
1170a95816
123a329930
1322814a63
14144c5c7a
15c1e14e6
hex83c27f4

138160116 has 72 divisors (see below), whose sum is σ = 356396040. Its totient is φ = 45121536.

The previous prime is 138160111. The next prime is 138160117. The reversal of 138160116 is 611061831.

138160116 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 80460900 + 57699216 = 8970^2 + 7596^2 .

It is a super-3 number, since 3×1381601163 (a number of 25 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 138160116.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138160111) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 537460 + ... + 537716.

It is an arithmetic number, because the mean of its divisors is an integer number (4949945).

Almost surely, 2138160116 is an apocalyptic number.

It is an amenable number.

138160116 is an abundant number, since it is smaller than the sum of its proper divisors (218235924).

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

138160116 is a wasteful number, since it uses less digits than its factorization.

138160116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513 (or 508 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 138160116 is about 11754.1531383592. The cubic root of 138160116 is about 516.9647086965.

The spelling of 138160116 in words is "one hundred thirty-eight million, one hundred sixty thousand, one hundred sixteen".

Divisors: 1 2 3 4 6 9 12 18 36 109 137 218 257 274 327 411 436 514 548 654 771 822 981 1028 1233 1308 1542 1644 1962 2313 2466 3084 3924 4626 4932 9252 14933 28013 29866 35209 44799 56026 59732 70418 84039 89598 105627 112052 134397 140836 168078 179196 211254 252117 268794 316881 336156 422508 504234 537588 633762 1008468 1267524 3837781 7675562 11513343 15351124 23026686 34540029 46053372 69080058 138160116