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139146 = 2373313
BaseRepresentation
bin100001111110001010
321001212120
4201332022
513423041
62552110
71116450
oct417612
9231776
10139146
11955a7
1268636
134b447
14389d0
152b366
hex21f8a

139146 has 16 divisors (see below), whose sum is σ = 318144. Its totient is φ = 39744.

The previous prime is 139133. The next prime is 139169. The reversal of 139146 is 641931.

139146 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 139146.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1615 + ... + 1698.

It is an arithmetic number, because the mean of its divisors is an integer number (19884).

2139146 is an apocalyptic number.

139146 is an abundant number, since it is smaller than the sum of its proper divisors (178998).

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

139146 is a wasteful number, since it uses less digits than its factorization.

139146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3325.

The product of its digits is 648, while the sum is 24.

The square root of 139146 is about 373.0227875077. The cubic root of 139146 is about 51.8191448938.

The spelling of 139146 in words is "one hundred thirty-nine thousand, one hundred forty-six".

Divisors: 1 2 3 6 7 14 21 42 3313 6626 9939 19878 23191 46382 69573 139146