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135830189 = 11313791051
BaseRepresentation
bin10000001100010…
…01101010101101
3100110120212222202
420012021222231
5234233031224
621251151245
73236352245
oct1006115255
9313525882
10135830189
116a744260
12395a5525
13221aa3c1
141407ab25
15bdd0eae
hex8189aad

135830189 has 16 divisors (see below), whose sum is σ = 153507840. Its totient is φ = 119070000.

The previous prime is 135830179. The next prime is 135830197. The reversal of 135830189 is 981038531.

It is a cyclic number.

It is not a de Polignac number, because 135830189 - 24 = 135830173 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135830179) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 128714 + ... + 129764.

It is an arithmetic number, because the mean of its divisors is an integer number (9594240).

Almost surely, 2135830189 is an apocalyptic number.

It is an amenable number.

135830189 is a deficient number, since it is larger than the sum of its proper divisors (17677651).

135830189 is a wasteful number, since it uses less digits than its factorization.

135830189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1472.

The product of its (nonzero) digits is 25920, while the sum is 38.

The square root of 135830189 is about 11654.6209290564. The cubic root of 135830189 is about 514.0421937434.

The spelling of 135830189 in words is "one hundred thirty-five million, eight hundred thirty thousand, one hundred eighty-nine".

Divisors: 1 11 31 341 379 1051 4169 11561 11749 32581 129239 358391 398329 4381619 12348199 135830189