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134851189 = 11192291171
BaseRepresentation
bin10000000100110…
…10101001110101
3100101202011001111
420002122221311
5234010214224
621214155021
73225134104
oct1002325165
9311664044
10134851189
116a135770
12391b2a71
1321c26905
1413ca403b
15bc8ad94
hex809aa75

134851189 has 24 divisors (see below), whose sum is σ = 160751520. Its totient is φ = 112039200.

The previous prime is 134851187. The next prime is 134851193. The reversal of 134851189 is 981158431.

It is a happy number.

It is not a de Polignac number, because 134851189 - 21 = 134851187 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134851187) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 114574 + ... + 115744.

It is an arithmetic number, because the mean of its divisors is an integer number (6697980).

Almost surely, 2134851189 is an apocalyptic number.

134851189 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

134851189 is a deficient number, since it is larger than the sum of its proper divisors (25900331).

134851189 is a wasteful number, since it uses less digits than its factorization.

134851189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1249 (or 1230 counting only the distinct ones).

The product of its digits is 34560, while the sum is 40.

The square root of 134851189 is about 11612.5444670839. The cubic root of 134851189 is about 512.8042234204.

The spelling of 134851189 in words is "one hundred thirty-four million, eight hundred fifty-one thousand, one hundred eighty-nine".

Divisors: 1 11 19 29 209 319 361 551 1171 3971 6061 10469 12881 22249 33959 115159 244739 373549 422731 645221 4650041 7097431 12259199 134851189