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134085985 = 5117134337
BaseRepresentation
bin1111111110111…
…11110101100001
3100100022021101121
413333133311201
5233311222420
621145532241
73215466145
oct777376541
9310267347
10134085985
1169762870
1238aa4081
1321a19527
1413b45225
15bb892aa
hex7fdfd61

134085985 has 16 divisors (see below), whose sum is σ = 178008192. Its totient is φ = 96140800.

The previous prime is 134085977. The next prime is 134086003. The reversal of 134085985 is 589580431.

It is not a de Polignac number, because 134085985 - 23 = 134085977 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13264 + ... + 21073.

It is an arithmetic number, because the mean of its divisors is an integer number (11125512).

Almost surely, 2134085985 is an apocalyptic number.

It is an amenable number.

134085985 is a deficient number, since it is larger than the sum of its proper divisors (43922207).

134085985 is a wasteful number, since it uses less digits than its factorization.

134085985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34424.

The product of its (nonzero) digits is 172800, while the sum is 43.

The square root of 134085985 is about 11579.5502935131. The cubic root of 134085985 is about 511.8324252724.

The spelling of 134085985 in words is "one hundred thirty-four million, eighty-five thousand, nine hundred eighty-five".

Divisors: 1 5 11 55 71 355 781 3905 34337 171685 377707 1888535 2437927 12189635 26817197 134085985