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138696 = 2335779
BaseRepresentation
bin100001110111001000
321001020220
4201313020
513414241
62550040
71115235
oct416710
9231226
10138696
1195228
1268320
134b18c
143878c
152b166
hex21dc8

138696 has 16 divisors (see below), whose sum is σ = 346800. Its totient is φ = 46224.

The previous prime is 138683. The next prime is 138727. The reversal of 138696 is 696831.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2866 + ... + 2913.

It is an arithmetic number, because the mean of its divisors is an integer number (21675).

2138696 is an apocalyptic number.

It is an amenable number.

138696 is an abundant number, since it is smaller than the sum of its proper divisors (208104).

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

138696 is a wasteful number, since it uses less digits than its factorization.

138696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5788 (or 5784 counting only the distinct ones).

The product of its digits is 7776, while the sum is 33.

The square root of 138696 is about 372.4191187359. The cubic root of 138696 is about 51.7632233006.

The spelling of 138696 in words is "one hundred thirty-eight thousand, six hundred ninety-six".