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134200187 = 1153230189
BaseRepresentation
bin1111111111110…
…11101101111011
3100100112002001022
413333323231323
5233323401222
621152213055
73216453122
oct777735573
9310462038
10134200187
1169830650
1238b3a18b
1321a594c4
1413b74ab9
15bbad042
hex7ffbb7b

134200187 has 8 divisors (see below), whose sum is σ = 149163120. Its totient is φ = 119697760.

The previous prime is 134200177. The next prime is 134200217. The reversal of 134200187 is 781002431.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-134200187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134200117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114512 + ... + 115677.

It is an arithmetic number, because the mean of its divisors is an integer number (18645390).

Almost surely, 2134200187 is an apocalyptic number.

134200187 is a deficient number, since it is larger than the sum of its proper divisors (14962933).

134200187 is a wasteful number, since it uses less digits than its factorization.

134200187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230253.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 134200187 is about 11584.4804372056. The cubic root of 134200187 is about 511.9776944934.

The spelling of 134200187 in words is "one hundred thirty-four million, two hundred thousand, one hundred eighty-seven".

Divisors: 1 11 53 583 230189 2532079 12200017 134200187