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134807769 = 3216639007
BaseRepresentation
bin10000000100100…
…00000011011001
3100101122221111100
420002100003121
5234002322034
621213222013
73224563365
oct1002200331
9311587440
10134807769
116a106088
1239191909
1321c0cc15
1413c922a5
15bc7d099
hex80900d9

134807769 has 12 divisors (see below), whose sum is σ = 194861056. Its totient is φ = 89807832.

The previous prime is 134807759. The next prime is 134807789. The reversal of 134807769 is 967708431.

It is not a de Polignac number, because 134807769 - 24 = 134807753 is a prime.

It is a super-2 number, since 2×1348077692 = 36346269165514722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134807719) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10464 + ... + 19470.

Almost surely, 2134807769 is an apocalyptic number.

It is an amenable number.

134807769 is a deficient number, since it is larger than the sum of its proper divisors (60053287).

134807769 is a wasteful number, since it uses less digits than its factorization.

134807769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10676 (or 10673 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 45.

The square root of 134807769 is about 11610.6747865919. The cubic root of 134807769 is about 512.7491791657.

The spelling of 134807769 in words is "one hundred thirty-four million, eight hundred seven thousand, seven hundred sixty-nine".

Divisors: 1 3 9 1663 4989 9007 14967 27021 81063 14978641 44935923 134807769