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138010134 = 2343534923
BaseRepresentation
bin10000011100111…
…01111000010110
3100121200122022110
420032131320112
5240312311014
621410011450
73264031623
oct1016357026
9317618273
10138010134
11709a3069
123a276b86
1322791702
141448734a
15c1b1d59
hex839de16

138010134 has 16 divisors (see below), whose sum is σ = 282439872. Its totient is φ = 44933448.

The previous prime is 138010133. The next prime is 138010139. The reversal of 138010134 is 431010831.

138010134 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 138010134.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138010133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 267204 + ... + 267719.

It is an arithmetic number, because the mean of its divisors is an integer number (17652492).

Almost surely, 2138010134 is an apocalyptic number.

138010134 is an abundant number, since it is smaller than the sum of its proper divisors (144429738).

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

138010134 is a wasteful number, since it uses less digits than its factorization.

138010134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534971.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 138010134 is about 11747.7714482365. The cubic root of 138010134 is about 516.7775744334. Note that the first 3 decimals are identical.

Adding to 138010134 its reverse (431010831), we get a palindrome (569020965).

The spelling of 138010134 in words is "one hundred thirty-eight million, ten thousand, one hundred thirty-four".

Divisors: 1 2 3 6 43 86 129 258 534923 1069846 1604769 3209538 23001689 46003378 69005067 138010134