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134680939 = 2319133061
BaseRepresentation
bin10000000011100…
…01000101101011
3100101102111111221
420001301011223
5233434242224
621210402511
73223524541
oct1001610553
9311374457
10134680939
116a029868
1239130437
1321b97283
1413c5bd91
15bc556e4
hex807116b

134680939 has 8 divisors (see below), whose sum is σ = 140656032. Its totient is φ = 128715840.

The previous prime is 134680933. The next prime is 134680943. The reversal of 134680939 is 939086431.

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

It is a cyclic number.

It is not a de Polignac number, because 134680939 - 27 = 134680811 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 134680895 and 134680904.

It is not an unprimeable number, because it can be changed into a prime (134680933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42469 + ... + 45529.

It is an arithmetic number, because the mean of its divisors is an integer number (17582004).

Almost surely, 2134680939 is an apocalyptic number.

134680939 is a deficient number, since it is larger than the sum of its proper divisors (5975093).

134680939 is a wasteful number, since it uses less digits than its factorization.

134680939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4997.

The product of its (nonzero) digits is 139968, while the sum is 43.

The square root of 134680939 is about 11605.2117171554. The cubic root of 134680939 is about 512.5883269537.

The spelling of 134680939 in words is "one hundred thirty-four million, six hundred eighty thousand, nine hundred thirty-nine".

Divisors: 1 23 1913 3061 43999 70403 5855693 134680939