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134640630734 = 21719208422029
BaseRepresentation
bin111110101100100110…
…1001111101111001110
3110212112100002201020012
41331121031033233032
54201221000140414
6141504131553222
712504343323011
oct1753115175716
9425470081205
10134640630734
1152112142745
1222116a5b812
13c90944978c
146733941378
15378048033e
hex1f5934fbce

134640630734 has 16 divisors (see below), whose sum is σ = 225095792400. Its totient is φ = 60025544064.

The previous prime is 134640630721. The next prime is 134640630739. The reversal of 134640630734 is 437036046431.

It is a junction number, because it is equal to n+sod(n) for n = 134640630691 and 134640630700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134640630739) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104210369 + ... + 104211660.

It is an arithmetic number, because the mean of its divisors is an integer number (14068487025).

Almost surely, 2134640630734 is an apocalyptic number.

134640630734 is a deficient number, since it is larger than the sum of its proper divisors (90455161666).

134640630734 is a wasteful number, since it uses less digits than its factorization.

134640630734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208422067.

The product of its (nonzero) digits is 435456, while the sum is 41.

The spelling of 134640630734 in words is "one hundred thirty-four billion, six hundred forty million, six hundred thirty thousand, seven hundred thirty-four".

Divisors: 1 2 17 19 34 38 323 646 208422029 416844058 3543174493 3960018551 7086348986 7920037102 67320315367 134640630734