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138299 = 723859
BaseRepresentation
bin100001110000111011
321000201012
4201300323
513411144
62544135
71114130
oct416073
9230635
10138299
11949a7
126804b
134ac45
1438587
152ae9e
hex21c3b

138299 has 8 divisors (see below), whose sum is σ = 165120. Its totient is φ = 113256.

The previous prime is 138289. The next prime is 138311. The reversal of 138299 is 992831.

138299 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 138299 - 24 = 138283 is a prime.

It is a super-2 number, since 2×1382992 = 38253226802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (138209) 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, 269 + ... + 590.

It is an arithmetic number, because the mean of its divisors is an integer number (20640).

2138299 is an apocalyptic number.

138299 is a deficient number, since it is larger than the sum of its proper divisors (26821).

138299 is an equidigital number, since it uses as much as digits as its factorization.

138299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 889.

The product of its digits is 3888, while the sum is 32.

The square root of 138299 is about 371.8857351392. The cubic root of 138299 is about 51.7137875126.

The spelling of 138299 in words is "one hundred thirty-eight thousand, two hundred ninety-nine".

Divisors: 1 7 23 161 859 6013 19757 138299