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135858 = 2322643
BaseRepresentation
bin100001001010110010
320220100210
4201022302
513321413
62524550
71104042
oct411262
9226323
10135858
1193088
1266756
1349ab8
1437722
152a3c3
hex212b2

135858 has 8 divisors (see below), whose sum is σ = 271728. Its totient is φ = 45284.

The previous prime is 135851. The next prime is 135859. The reversal of 135858 is 858531.

It is a happy number.

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

135858 is an admirable number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 135858.

It is not an unprimeable number, because it can be changed into a prime (135851) by changing a digit.

135858 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11316 + ... + 11327.

It is an arithmetic number, because the mean of its divisors is an integer number (33966).

2135858 is an apocalyptic number.

135858 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

135858 is a wasteful number, since it uses less digits than its factorization.

135858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22648.

The product of its digits is 4800, while the sum is 30.

The square root of 135858 is about 368.5892022293. The cubic root of 135858 is about 51.4077274437.

The spelling of 135858 in words is "one hundred thirty-five thousand, eight hundred fifty-eight".

Divisors: 1 2 3 6 22643 45286 67929 135858