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135844794 = 23219894463
BaseRepresentation
bin10000001100011…
…01001110111010
3100110121122000200
420012031032322
5234234013134
621251343030
73236442651
oct1006151672
9313548020
10135844794
116a754228
12395b1a76
13221b3c47
1414082198
15bdd5499
hex818d3ba

135844794 has 48 divisors (see below), whose sum is σ = 313372800. Its totient is φ = 42406848.

The previous prime is 135844781. The next prime is 135844799. The reversal of 135844794 is 497448531.

It is not an unprimeable number, because it can be changed into a prime (135844799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28207 + ... + 32669.

It is an arithmetic number, because the mean of its divisors is an integer number (6528600).

Almost surely, 2135844794 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 135844794, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (156686400).

135844794 is an abundant number, since it is smaller than the sum of its proper divisors (177528006).

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

135844794 is a wasteful number, since it uses less digits than its factorization.

135844794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4579 (or 4576 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 135844794 is about 11655.2474877199. The cubic root of 135844794 is about 514.0606170341.

The spelling of 135844794 in words is "one hundred thirty-five million, eight hundred forty-four thousand, seven hundred ninety-four".

Divisors: 1 2 3 6 9 18 19 38 57 89 114 171 178 267 342 534 801 1602 1691 3382 4463 5073 8926 10146 13389 15219 26778 30438 40167 80334 84797 169594 254391 397207 508782 763173 794414 1191621 1526346 2383242 3574863 7149726 7546933 15093866 22640799 45281598 67922397 135844794